Forem: Sahil Upadhyay

ODD SIDE OF JAVASCRIPT😲!! 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭'𝐬 𝐐𝐮𝐢𝐫𝐤𝐲 𝐒𝐞𝐜𝐫𝐞𝐭𝐬!

Sahil Upadhyay — Thu, 18 Jan 2024 04:13:19 +0000

🚀 Ready for a jaw-dropping journey into the "Odd Side of JavaScript" 😲!? Brace yourself as we unravel the coding curiosities and share the surprising secrets that make JavaScript stand out. 💡💻 Get set for a fun ride through the unexpected twists and turns of this programming language! 🌐✨.

This post surely will be beneficial when you are in some where between solve the problem and search for the solution and Stack Overflow, ChatGPT might not be working as you want. Lets get started 🙌🌟..

Array's Equal Strings:--

var a = [0, 1, 2];
var b= [0, 1, 2];
var c = 0, 1, 2';
a = c; // true
b = c; // true
a = b; // false

In JavaScript, arrays can seem similar to strings. If you have arrays like 'a' and 'b' with the same values, they are considered equal. However, if you introduce a string 'c' with the same values as 'a' and 'b', it won't be equal to them. So, when you say 'a = c' or 'b = c', it evaluates as true because they have the same values. But if you try 'a = b', it's false, even though they seem the same. This quirky behavior is a result of how JavaScript handles equality between arrays and strings, making it important to understand these nuances in your code.

Array's Are Not Equal:--

['a', 'b'] !== ['a', 'b'] // true
['a', 'b'] != ['a', 'b'] // true
['a', 'b'] == ['a', 'b'] // false

In JavaScript, comparing arrays isn't as straightforward as it might seem. If you use '!==', it evaluates as true even if two arrays have the same values. Similarly, '!=' also returns true. Surprisingly, when you use '==', which might suggest equality, it gives a false result for arrays with the same content. This occurs because JavaScript compares arrays by reference, not content. So, even if arrays look the same, if they're separate instances in memory, they're considered not equal. This quirk highlights the importance of understanding how JavaScript handles array comparisons, ensuring precise and accurate coding.

String Is Not A String:--

typeof thecodecrumbs'; // "string"

'thecodecrumbs' instanceof String; // false

Even though we use quotes for strings, they are considered primitive types, not objects. When you check the type with 'typeof', it correctly identifies it as a "string". However, if you try to use 'instanceof String', it surprisingly returns false. This discrepancy happens because primitive strings are not instances of the String object. They behave like strings but don't have the full set of properties and methods that come with the String object. This quirk is essential to note when working with strings in JavaScript, ensuring you use appropriate methods for the data type.

Null Comparision:--


typeof null;  // "object"

null instanceof Object;  // false

In JavaScript, the 'typeof null' might seem confusing, as it returns "object," but null isn't an object. This behavior is a historical quirk. When JavaScript was created, 'null' was designed to represent the absence of a value, and using 'typeof' was a way to check for it. However, 'null instanceof Object' surprisingly evaluates as false. This discrepancy emphasizes that while 'typeof' suggests an object type, null is a distinct primitive value in JavaScript. It's a subtle nuance to be aware of when working with null values and object comparisons in your code.

NaN Is A Number:--

typeof NaN   // Number
123 === 123  //true
NaN === NaN  // false

NaN (Not a Number) is indeed a type of number, as indicated by 'typeof NaN' returning "Number." However, a quirky aspect arises when you compare NaN values using '==='. While '123 === 123' rightly evaluates as true, 'NaN === NaN' surprisingly results in false. This behavior occurs because NaN represents an undefined or unrepresentable value, and according to the specifications, NaN is not equal to itself. This uniqueness in NaN comparisons highlights the need for careful handling when dealing with unexpected or undefined numerical values in JavaScript code.

Array's And Object:--

[][] // ""
[] + {} // "[object Object]"
{} + [] // 0
{} + {} // NaN

Combining arrays and objects can lead to quirky results. When you use '[][]', it results in an empty string. Adding an empty array to an empty object '[] + {}' surprisingly gives "[object Object]". However, switching the order '{}' + [] results in 0, and combining two empty objects '{}' + {} yields NaN. These outcomes stem from JavaScript's complex type coercion rules, where the addition operator and object conversions can produce unexpected and diverse results. Understanding these nuances is crucial for precise coding when working with arrays and objects in JavaScript.

Boolean Maths:--

true + false //1
true + true == true  // false

In JavaScript, boolean values undergo interesting behavior in mathematical operations. When you add 'true + false,' it surprisingly evaluates to 1. However, when you compare the result of 'true + true' to 'true,' it returns false. This quirk arises because JavaScript converts booleans to numeric values during mathematical operations, with 'true' being equal to 1 and 'false' to 0. So, 'true + true' becomes 2, which is not equal to 'true.' This illustrates the subtle and sometimes unexpected ways boolean values interact with numerical operations in JavaScript.

CONCLUSION

In the curious world of JavaScript oddities, we've uncovered fascinating quirks that make coding both intriguing and challenging. From arrays behaving unexpectedly to boolean's playing numerical games, understanding these nuances is key to writing precise and effective code. As you navigate the quirks of JavaScript, remember to follow me for more insights into the coding universe. Your thoughts and opinions are valuable, so don't forget to comment below! Let's continue this coding journey together, exploring the peculiar and delightful aspects of the language. Happy coding! 🚀💻 #JavaScriptAdventures #CodeQuirks #FollowForMore

Optimizing Your JavaScript: Best Practices Every Developer Should Know!!

Sahil Upadhyay — Sun, 24 Dec 2023 05:11:04 +0000

Hello, fellow code enthusiasts! 🌟 Ever felt like your JavaScript could use a turbo boost? You're in luck! Dive with us into the exciting realm of JavaScript optimization. 🎯 In today's lightning-paced web world, writing crisp and effective code isn't just cool—it's essential. This guide is your golden ticket 🎫 to level up your coding game. Whether you're a newbie 👶 or a seasoned pro 🎓, we've got tips that'll make your code zoom! 💨 Ready to make your scripts sleeker, faster, and more efficient? Strap in, because we're about to supercharge your JavaScript journey! 🚀🔥

Avoid Global Variables : --

Global variables and function names might seem convenient, but they come with pitfalls in JavaScript. The challenge? Every JavaScript file included on a page shares the same scope.
Think of it like everyone accessing the same playground—potential chaos ensues.
To sidestep this issue, consider using an Immediately Invoked Function Expression (IIFE). By wrapping your code within an IIFE, you create a protective boundary. This technique ensures that your variables and functions remain localized, reducing the risk of conflicts with other scripts.

// Without IIFE (potential global variable)
var message = "Hello, World!";
function displayMessage() {
  console.log(message);
}
displayMessage();  // Outputs: Hello, World!

// With IIFE (keeping variables local)
(function() {
  var localMessage = "Hello, Local World!";
  function displayLocalMessage() {
    console.log(localMessage);
  }
  displayLocalMessage();  // Outputs: Hello, Local World!
})();

2.Triple Equal : --

In JavaScript, the == operator tries to be helpful by changing data types to match before comparing. For instance, it might turn a number into a string to see if they're the same. On the other hand, === (the triple equal) is more strict. It not only checks if values are equal but also ensures they're of the same type. So, while == might say a number and its string version are the same, === would see them as different because of their types. In short, === gives you a more precise and less surprising comparison in your code.

// Using the == operator (loose equality)
let looseEqualityResult = (5 == '5');  
console.log(looseEqualityResult);  // Outputs: true (type coercion happens)

// Using the === operator (strict equality)
let strictEqualityResult = (5 === '5'); 
console.log(strictEqualityResult); // Outputs: false (strict comparison of type and value)

// Further illustration with different types
let strictComparison = (5 === 5); 
console.log(strictComparison);    // Outputs: true (both value and type match)

let anotherStrictComparison = (5 === 5.0); 
console.log(anotherStrictComparison); // Outputs: true (same value and type, even if different numeric representations)

3.Modularize : --

Modularizing your code means breaking it down into smaller, focused functions, each handling a specific task. Think of it like organizing a messy toolbox; you separate tools based on their functions, making them easier to find and use. By doing this, you create a clear roadmap for anyone reading or working on your code. Instead of sifting through a jumbled mess, developers can quickly pinpoint which function does what. This not only simplifies debugging but also enhances collaboration. Plus, if you need to update or tweak something later on, you'll know exactly where to look.

// Without Modularization
function calculateAreaAndPerimeter(radius) {
  const area = Math.PI * radius * radius;
  const perimeter = 2 * Math.PI * radius;
  console.log(`Area: ${area}`);
  console.log(`Perimeter: ${perimeter}`);
}

// With Modularization
function calculateArea(radius) {
  return Math.PI * radius * radius;
}

function calculatePerimeter(radius) {
  return 2 * Math.PI * radius;
}

// Using the Modularized Functions
function displayResults(radius) {
  const area = calculateArea(radius);
  const perimeter = calculatePerimeter(radius);
  console.log(`Area: ${area}`);
  console.log(`Perimeter: ${perimeter}`);
}

// Call the Modularized Function
displayResults(5);  // Outputs Area and Perimeter using separate, focused functions

4.Declare Objects With const : --

When you declare an object using const, you're setting it in stone. This means the object's identity won't change, preventing accidental alterations to its type or content. Think of it as locking a treasure chest; once set, its contents remain unchanged. By using const for objects, you ensure stability and avoid unexpected modifications in your code. It's a straightforward way to safeguard your object's structure and integrity throughout your program.

// Declaring an object using const
const person = {
  name: "John",
  age: 30
};

// Trying to reassign the object
// This will throw an error because 'person' is a constant and cannot be reassigned
// person = {};  // Uncommenting this line will result in an error

// However, you can still modify the properties of the object
person.age = 31;

console.log(person);  // Outputs: { name: "John", age: 31 }

5.Optimize Loops : --

Loops are powerful but can slow down your code if mishandled. A common pitfall? Reading an array's length repeatedly within a loop. This constant check eats up unnecessary time. A smart workaround is to store the array's length in a separate variable before the loop starts. By doing so, you sidestep repetitive recalculations and make your loops more efficient.
It's like prepping ingredients before cooking; once ready, you focus on the task without pausing to measure repeatedly. In essence, optimizing loops by caching the length enhances performance and ensures smoother code execution.

// Bad Practice: Reading array length in each iteration
const items = [10, 20, 30, 40, 50];
let sum = 0;

for (let i = 0; i < items.length; i++) {
  sum += items[i];
}
console.log("Sum using inefficient loop:", sum);  // Outputs: 150

// Better Practice: Caching array length before loop
let efficientSum = 0;
const length = items.length;  // Caching array length

for (let i = 0; i < length; i++) {
  efficientSum += items[i];
}
console.log("Sum using optimized loop:", efficientSum);  // Outputs: 150

6.Avoiding new Keyword : --

Using the 'new' keyword in JavaScript can add unnecessary complexity and potential errors to your code. Rather than using constructs like new String() or new Number(), direct and simpler alternatives exist, such as plain strings or numbers.
By bypassing 'new', you streamline your code, reduce the risk of unexpected behaviors, and boost readability. This approach ensures that your JavaScript is cleaner, more intuitive, and easier to maintain, making the development process smoother and more efficient.

Few Alternative of new keyword:---

Use "" instead of new String()
Use O instead of new Number()
Use false instead of new Boolean()
Use {} instead of new Object()
Use [] instead of new Array()
Use /()/ instead of new RegExp()
Use function ()() instead of new Function()

CONCLUSION

Hey there, fellow coders! 🎉 Mastering JavaScript doesn't have to be tricky. With the right tips and tricks, you can make your code shine brighter and run faster. Remember, in today's tech world, efficiency is key! 🗝️ Whether you're just starting out or have been at it for a while, these insights are here to help you level up. So, keep practicing and exploring. Need more guidance? _Follow me _for more helpful tips and insights. Together, let's make your JavaScript journey smooth and exciting! 🚀 Happy coding, and see you on the next adventure! ✨

"Transform Your Website Instantly: 6 Must-Have Tools for the Ultimate 'Wow' Effect !✨"

Sahil Upadhyay — Thu, 21 Dec 2023 12:00:00 +0000

Hey Everyone! 🌟

Picture this: You step into a website, and instantly, it feels like stepping into a mesmerizing world. That's the essence of a stellar user experience. In today's digital realm, where every user's attention is gold, creating a memorable online journey isn't just desirable—it's crucial!

But here's the kicker: What if you could sprinkle some magic dust onto your website to make visitors go "Wow!" right from the start?

In this post, we're on a thrilling quest to unveil the "6" game-changers of web design—tools that can morph your site from a basic platform to an unforgettable digital spectacle. Whether you're a seasoned designer, a budding entrepreneur, or someone with a passion for all things digital, this guide is your treasure map.

Ready for the adventure? Let's make your digital space unforgettable! 🚀✨

1.Animate On Scroll : --

"Animate on Scroll" is a cool web design trick where
things on a webpage move or change as you scroll down.
Instead of just looking at still pictures or text, users
get a more interactive experience.

Why's this great? It keeps visitors interested and helps
highlight important stuff. Even if some parts of your
page stay in one place (like a menu bar), they can still
have some fun animations. In short, "Animate on Scroll"
makes your website more exciting and keeps people looking
and scrolling!

Check Out The Tool here :-- (https://michalsnik.github.io/aos/)

2.SwiperJS : --

Swiper is the most modern free and open source mobile touch
slider with hardware accelerated transitions and amazing native
behavior. Use it on websites, web apps, and mobile native/hybrid
apps.

The best part? It's designed to be fast and efficient. So, when
you slide from one picture or item to the next, it feels super
smooth and doesn't lag. Plus, it has this cool feature called
"hardware accelerated transitions," which means the sliding
animations are extra smooth and quick, giving users a great
experience.

Check Out The Tool here :-- (https://swiperjs.com/)

3.Framer Motion : --

"Framer Motion" is like a special toolkit for websites built using
Reactjs, a popular web development framework. Imagine you want
certain parts of your website, like buttons or images, to move or
change in a fun way. With Framer Motion, you can do just that
without a lot of fuss.

If you're using Reactjs and want to make parts of your site move
or change in a dynamic way, Framer Motion gives you the creative
freedom to do just that!

Check Out The Tool here :-- (https://www.framer.com/motion/)

4.Scroll Magic : --

"Scroll Magic" is a nifty tool in the world of web design that
uses JavaScript, a popular coding language, to create some fun
and captivating effects as people scroll down a webpage. Imagine
you're scrolling through a site, and suddenly, images start
moving, text appears in a cool way, or backgrounds change color.
That's what Scroll Magic helps designers achieve!

In essence, Scroll Magic brings life to your website as users
scroll through it.

Check Out The Tool here :-- (https://scrollmagic.io/)

5.Particles JS : --

"Particles JS" is a cool tool that uses JavaScript to sprinkle
your website with dynamic, moving particles. Think of these
particles as tiny, animated dots or shapes that float around your
webpage, adding a touch of dynamism and flair.

In simple terms, Particles Js jazzes up your website by turning a
regular background into a lively canvas of moving particles.

Check Out The Tool here :--
(https://vincentgarreau.com/particles.js/)

6.Glide JS : --

"Glide JS" is a handy tool for websites that helps showcase
images or content in a sliding format, commonly known as a
slider or carousel. Imagine a banner on a website where you see
different pictures slide smoothly from one to the next—that's
what Glide JS does!

In short, Glide JS is a fast, reliable, and easy-to-use tool for
adding sleek sliding features to your website without any fuss.

Check Out The Tool here :-- https://glidejs.com/

CONCLUSION

We've looked at some awesome tools like Glide JS and Framer
Motion that can make your website stand out. Making a website
that people love is about more than just looks; it's about
grabbing their attention right away. As we wrap up, remember to
keep trying new things and making your site better.
If you want more tips and ideas, follow me. Let's keep making
the web a more exciting place together! 🌐🌟

Mastering 6 Key Advanced JavaScript Concepts!!

Sahil Upadhyay — Sun, 17 Dec 2023 12:51:26 +0000

Welcome to our JavaScript adventure! 🚀 Get ready to supercharge your coding skills as we dive into the exciting world of mastering 8 Key Advanced JavaScript Concepts! 🌐💡

Whether you're a coding ninja or just starting your journey, I've got you covered. I'am breaking down complex ideas into bite-sized, easy-to-understand nuggets, using plain English to make sure everyone's in on the fun.

JavaScript is the wizard behind the curtain of awesome, interactive websites, and we're here to unveil its secrets.

No boring lectures here – just a ticket to JavaScript mastery! 🎟️✨ By the end of this journey, you'll not only conquer these 8 advanced concepts but also wield them like a coding superhero. Ready to rock? Let's embark on this JavaScript rollercoaster together! 🚀🌟💻

1.Inheritance: ---

In JavaScript, there's something called "inheritance."
It's a way for objects to share and reuse properties and
actions from other objects. Imagine it like passing down
traits or abilities from one thing to another.
In this model, each object has an internal link to
another object called its prototype, forming a chain of
prototypes.

Here's a simple example:

We have two types of creatures: general animals and
dogs. Dogs are a specific kind of animal, right? So, in
our code:

We create a general "Animal" using a function. This animal can say hello with its name.

function Animal(name) {
  this.name = name;
}

Animal.prototype.sayHello = function() {
  console.log("Hello, I am " + this.name);
};

Now, we want to make a special type of animal: a "Dog." Dogs can do everything animals can, but they can also bark.

function Dog(name, breed) {
  // This line calls the Animal function to set the name for our dog.
  Animal.call(this, name);
  this.breed = breed;
}

// This line connects the Dog's prototype to the Animal's prototype.
Dog.prototype = Object.create(Animal.prototype);

// Now, we add a new ability: barking.
Dog.prototype.bark = function() {
  console.log("Woof!");
};

Finally, we create a specific dog named "Buddy" with the breed "Labrador" and make it do some actions.

var myDog = new Dog("Buddy", "Labrador");

// Buddy can say hello because he's also an Animal.
myDog.sayHello(); // Outputs: Hello, I am Buddy

// Buddy can bark because he's a Dog.
myDog.bark(); // Outputs: Woof!

So, in simple terms, we created a basic animal, then a special type of animal called a dog, and our specific dog Buddy can both say hello like any animal and bark like a dog. This way, we reuse the common abilities of animals and add some specific ones for dogs. That's how inheritance works in JavaScript! 🐾🐶

2.Prototype Chaining: ---

In JavaScript, objects can inherit properties and methods from
other objects forming a chain of prototypes.
The prototype chain forms a hierarchy of objects, where each
object's prototype is linked to its parent object's prototype,
creating a chain of inheritance.

In JavaScript, think of objects like characters in a game. Each
character can have special abilities. Now, some characters want
to share their cool moves with others. So, they form a chain
where one character passes down its abilities to another.
This chain of sharing abilities is what we call "prototypes" in
JavaScript. It's like a teamwork approach among objects! 🚀🔄

Here's a simple example:

Okay, imagine you have different types of vehicles, like
a general vehicle and a special kind called a car. In
JavaScript, we can make them share common abilities
using something called "prototype chaining."

First, we create a basic vehicle using a function. Every vehicle can drive, right?

function Vehicle(make, model) {
  this.make = make;
  this.model = model;
}

Vehicle.prototype.drive = function() {
  console.log('Vroom!');
};

Now, let's make a specific type of vehicle – a car. Cars can do everything a regular vehicle can, but they can also honk.

function Car(make, model, color) {
  // This line connects the car to the basic vehicle.
  Vehicle.call(this, make, model);
  this.color = color;
}

// This line makes sure that cars can also drive by connecting them to the vehicle's abilities.
Car.prototype = Object.create(Vehicle.prototype);

// Now, we add a new ability: honking.
Car.prototype.honk = function() {
  console.log("Honk!");
};

Finally, we create a specific car – let's call it 'myCar' – and make it do some actions.

var myCar = new Car('Toyota', 'Camry', 'Blue');

// myCar can drive because it's also a vehicle.
myCar.drive(); // Outputs: Vroom!

// myCar can honk because it's a car.
myCar.honk(); // Outputs: Honk!

So, in simple terms, we've created a basic vehicle, then a special type of vehicle called a car. The car can do everything a vehicle can, and it also has some special abilities, like honking. This way, we link their abilities through "prototype chaining" in JavaScript. That's how myCar can both drive and honk! 🚗🔗

3.Memory Management: ---

Memory management in JavaScript is like having a magical
organizer for your computer's workspace. In this digital realm,
memory serves as a dynamic whiteboard where programs draw and
erase information. JavaScript employs automatic memory
management, also known as garbage collection, to ensure this
virtual whiteboard stays organized.

The garbage collection cycle, akin to a diligent superhero
cleaner, involves two phases. First, the "Mark Phase" identifies
and marks items still in use, akin to circling important
doodles. Then comes the "Sweep Phase," where the superhero
removes unmarked items, freeing up space for new tasks.

Here's a simple example:

Imagine you have a toy box, and you want to make sure you only
keep the toys you're actually using.

function createCircularReference() {
  var objA = { data: 'Object A' };
  var objB = { data: 'Object B' };

  // Creating a circular reference
  objA.reference = objB;
  objB.reference = objA;

  // We're done playing with these toys, so we let JavaScript know.
  objA = null;
  objB = null;
}

// After running this, JavaScript knows it can clean up both objA and objB.
createCircularReference();

So, in simple terms, JavaScript helps you manage your "toy box" (memory) by cleaning up toys (objects) you're not using anymore. It's like having a magical cleanup crew in your computer program! 🧹🚀

4.Concurrency Models: ---

JavaScript's concurrency model is like a skilled chef
effortlessly handling multiple cooking tasks in a
bustling kitchen. In the world of code, it's the way
JavaScript manages and executes tasks simultaneously
without waiting for one to finish before starting
another. This approach is crucial for creating
responsive and efficient programs.

At the heart of JavaScript's concurrency model is the
"event loop," a digital timer that keeps track of
different tasks. This loop enables JavaScript to perform
background activities while still overseeing the main
tasks, preventing any one job from blocking everything
else.

Here's a simple example:

Let's say JavaScript has to do a task that takes some
time, like baking a cake. Instead of waiting for the
cake to be ready
before doing anything else, JavaScript can start another
task, like chopping vegetables, while the cake bakes.

function asynchronousTask() {
  console.log('Start task');

  // This line sets a timer for 2 seconds, allowing JavaScript to do other things in the meantime.
  setTimeout(function() {
    console.log('Task completed after 2 seconds');
  }, 2000);

  console.log('Continuing with other tasks');
}

// When you run this, JavaScript starts the task, continues with other things, and prints the completion message after 2 seconds.
asynchronousTask();

So, in simple terms, JavaScript's concurrency model is like a chef managing many cooking tasks at once. It uses an event loop to handle different jobs without getting stuck, allowing your code to be efficient and responsive. 🍳🔄

5.Enumerability: ---

In JavaScript, enumerability is like deciding which
items in your treasure chest (object) are visible when
you show them to others. Imagine your object as a
collection of treasures, each being a property.
Enumerability determines whether these properties will
be revealed in certain operations, especially during
loops like for_in.

By default, when you add a property directly to an
object, it's like putting that treasure on display for
everyone to see. However, you might have some hidden
gems you don't want to show off to the world. This is
where enumerability comes in handy. You can decide which
properties should be looped over and which ones should
remain hidden.

Here's a simple example:

Let's say you have a person object with properties for
name and age. The name treasure is on full display, but
you want to hide the age treasure. So, you make the age
property "non-enumerable."

var person = { name: "John", age: 30 };

// Making age property non-enumerable
Object.defineProperty(person, "age", { enumerable: false });

// Looping over properties
for (var prop in person) {
  console.log(prop); // Outputs: name
}

// Checking visible properties
console.log(Object.keys(person)); // Outputs: ['name']

Now, when you showcase your treasures (loop over properties), only the enumerable ones are revealed. It's like deciding which parts of your collection to share with the world! 📦💎

6.OwnerShip: ---

In JavaScript, property ownership is like figuring out
whether a characteristic of an object comes from its
family (prototype chain) or if it's a distinctive
feature unique to that specific object. Think of it as
understanding whether your pet inherited certain traits
from its family or if it has special qualities that make
it stand out.
Understanding ownership is crucial when working with
objects and their prototypes.

Here's a simple example:

Imagine you have a pet family called "Animal," and all
animals have legs, a tail, and a sound. Now, you get a
specific pet, a cat, from the Animal family. This cat
inherits legs and tail but makes a unique sound.

function Animal() {
  this.legs = 4;
}
Animal.prototype.tail = true;

var cat = new Animal();
cat.sound = "Meow";

Now, when you check which traits your cat has, you use hasOwnProperty to see if each trait is directly from the cat itself or inherited from the family.

console.log(cat.hasOwnProperty("legs")); // Outputs: true
console.log(cat.hasOwnProperty("tail")); // Outputs: false
console.log(cat.hasOwnProperty("sound")); // Outputs: true

In simple terms, property ownership helps you understand if a trait is a family tradition or something unique to your special pet. It's like knowing whether your pet inherited its fluffy tail or if it's a one-of-a-kind feature! 🐾🏡

CONCLUSION

So, as our JavaScript rollercoaster ride comes to an end,
I encourage you to carry this newfound expertise with confidence. Follow me to keep up with the latest updates and embark on future coding escapades together. Your coding superhero journey has just begun, and there's a world of possibilities ahead. Let's stay connected, keep coding, and explore the endless opportunities that JavaScript has to offer! 🌐💻✨ Follow me for more coding adventures and let's continue this exciting journey side by side! 🚀👩‍💻🔗

"Mastering JavaScript: 8 Easy Shortcuts for Awesome Code!"

Sahil Upadhyay — Fri, 15 Dec 2023 17:04:30 +0000

Hey there,👋 coding pals! Ever felt like there's gotta be a quicker way to write JavaScript? Well, you're in for a treat! Today, we're talking about cool JavaScript shortcuts – like secret codes that make your web code way snazzier.

Imagine you're a coding superhero,🦸‍♂️ and these shortcuts are your special powers. They're like magic spells that help you write less and do more. Plus, they make your code look super pro. Some of you may be aware of these shortcuts but for others this could be relatively new.

So, buckle up, because we're about to explore eight awesome JavaScript shortcuts that will turn you into a coding wizard. Let's dive in and make your code-writing journey a whole lot smoother! 🚀

Declaring Variable:--

Long Hand Technique :

Imagine you're telling a story in detail. In
JavaScript, longhand is like that detailed
storytelling. For example:

let x;  // You're saying, "Hey, I want a variable named x."
let y;  // And here, you're saying, "Give me another variable, and I'll call it y."
let z = "a";  // Finally, you're setting a variable z and giving it the value "a".

Short Hand Technique :

Now, think of shorthand as the shortcut or summary of
that story. Instead of saying it all step by step, you
express it in a compact way:

 let x, y, z="a";  // Boom! You're telling the whole story 
 in one sentence. "I want variables x and y, and 
 z is 'a'."

2.Ternary Operator:--

Long Hand Technique :

Imagine you have a friend named "x," and you want to
decide if x is greater than 9. If it is, you want to
say "true"; if not, you want to say "false." In
longhand, it's like having a conversation:

let number;  // Imagine you have a box named "number."
if (x > 9) {
  number = true;  // If your friend x is greater than 9, you put "true" in the box.
} else {
  number = false;  // If not, you put "false" in the box.
}

Short Hand Technique :

Now, let's use a quick, shortcut way to express the same thing:


 let number = x ≥ 9 ? true : false;

3.Assignment Operator:--

Long Hand Technique :

Think of it like counting candy. You have a bag of
candy represented by a variable "x," and you want to
add more candy ("y") to it. The longhand way is like
saying:

x = x + y;  // Take the current candies in the bag, add more candies, and put the total back in the bag.
x = x-y;     // Take the current candies in the bag, subtract candies, and put the remaining back in the bag..

Short Hand Technique :

Now, the shorthand way is like finding a quicker way to express the same idea:

x += y;  // It's like saying "Add these candies to the bag and keep them there."
x -= y;   // It's like saying "Subtract these candies from the bag and keep the remaining there."

4.Switch Case:--

Long Hand Technique :

Imagine you have a remote control, and there are
different buttons on it. Each button does a specific
thing when you press it. In longhand, using a switch
statement is like checking which button you pressed:

switch (something) {
  case 1:
    doSomething();      // If you pressed button 1, do something.
    break;
  case 2:
    doSomethingElse();  // If you pressed button 2, do something else.
    break;
}

Short Hand Technique :

Now, let's imagine a magical drawer where you have
different objects, and each object represents an
action. The shorthand version is like having a drawer
full of actions and simply grabbing the right action
based on the value of 'something':

var cases = {
  1: doSomething,      // If 'something' is 1, grab the 'doSomething' action.
  2: doSomethingElse   // If 'something' is 2, grab the 'doSomethingElse' action.
};

The shorthand uses an object as a lookup table, making it a neat and efficient way to handle different cases without the need for repetitive case statements.

5.If Presence:--

Long Hand Technique :

Imagine you have a light switch, and you want to check
if the light is turned on. In longhand JavaScript, it's
like saying:


if (boolGoesHere === true) {
  // If the light is truly on, do something.
}

Short Hand Technique :

Now, let's use a more straightforward way to express
the same idea:

if (boolGoesHere) {
  // If the light is on, do something.
}

Here, it's like saying, "If the light is on, do something." The shorthand version takes advantage of the fact that if boolGoesHere is already true, you don't need to explicitly compare it to true. It's like checking if the light is on without asking, "Is it truly on?"

6.Arrow Functions:--

Long Hand Technique :

Imagine you have a friend, and you want to greet them
in a traditional way. In longhand JavaScript, defining
a function is like saying:


function sayHello(name) {
  console.log('Hello', name);
}

It's a bit like saying, "Okay, let's create a way to say hello to a friend. When I call this 'sayHello' function and give it a 'name,' it will print 'Hello, name.'"

Short Hand Technique :

Now, let's imagine you found a quicker, more modern way
to greet your friend:

sayHello = name => console.log('Hello', name);

The shorthand version is a more concise way to define a simple function. It's like using a quicker, more efficient method to achieve the same result.

7.charAt():--

Long Hand Technique :

Imagine you have a book, and you want to know the first
letter on the first page. In longhand JavaScript, using
the charAt() method is like saying:


"myString".charAt(0);

Short Hand Technique :

Now, let's imagine you found a quicker way to grab that first
letter:

"myString"[0];

It's like saying, "I know there's a first letter in this string
'myString.' I'll just grab it directly using [0]."

8.Object Array Notation:--

Long Hand Technique :

Imagine you have a backpack, and you want to put three
different things in it, labeling each item with a
number. In longhand JavaScript, it's like saying:


let a = new Array();
a[0] = "myString1";
a[1] = "myString2";
a[2] = "myString3";

It's a bit like saying, "I have a backpack called 'a.' In the first slot (index 0), I'm putting 'myString1.' In the second slot (index 1), I'm putting 'myString2.' And in the third slot (index 2), I'm putting 'myString3.'"

Short Hand Technique :

Now, let's imagine you found a quicker way to pack your
backpack:

let a = ["myString1", "myString2", "myString3"];

It's like saying, "I have a backpack called 'a,' and I'm putting 'myString1' in the first slot, 'myString2' in the second slot, and 'myString3' in the third slot."

The shorthand version is a more concise way to create an array with values.

CONCLUSION

Congratulations, fellow coders! You've just unlocked the secret codes that can transform your JavaScript game from good to superhero-level greatness. With these eight awesome shortcuts, you're now equipped with the magical spells to write more efficient and professional-looking code.

Remember, coding is not just about making things work; it's about doing it with style and elegance. These JavaScript shortcuts are your secret weapons to achieve just that – elegant, concise, and powerful code that makes you stand out in the coding realm.

Follow Me for More:
If you enjoyed this journey through JavaScript shortcuts and want more coding magic in your life, follow me for future posts! Together, we'll uncover more secrets, explore new tricks, and level up our coding skills. Stay tuned for more coding adventures, and let's continue this exciting journey of becoming coding wizards! 🌟👩‍💻👨‍💻

8 HIDDEN WEBSITES FOR PROGRAMMERS !!

Sahil Upadhyay — Fri, 01 Dec 2023 14:22:43 +0000

Welcome to the hidden side of the internet, where programmers find treasures in the form of secret websites. Imagine a digital adventure where codes have secrets, and algorithms play hide and seek. Today, we're going on a journey to reveal the mystery behind the scenes. Get ready as we uncover 8 websites that hold the key to a programmer's success. It's like opening a digital treasure chest filled with coding gems. Even though some might have discovered these but for others get ready to explore the secret side of programming. Let's dive in and unlock the mysteries together!

1.DEVDOCS.IO: -- DevDocs.IO

DevDocs brings together numerous API documentation in
a single, searchable interface. You will find docs
related to various programming languages and
technologies👨‍💻 in one place.

2.CSS-TRICKS.COM: -- Css-Tricks.COM

Enhance your web development proficiency by acquiring a
comprehensive understanding of CSS through this website.👍
In case you weren't aware, CSS is the element
responsible for rendering web pages visually appealing.

3.OVERAPI.COM: -- OverApi.COM

For developers, OverAPI stands out as one of the most valuable
and aesthetically pleasing websites. It hosts cheat sheets for a
wide array of programming languages. Take a moment to explore it
now. 🚀

4.RAY.SO: -- Ray.So

This website allows you to take beautiful screenshots📸 of
codes. It also has a dark mode and some preloaded themes
for different programming languages. You can also use
its VS Code extension.

5.DAILY.DEV: -- Daily.Dev

It is a platform where you can find so many good
articles to read daily. It shows the best articles from
various platforms directly in your feed.📚 Check it out!

6.CODEBEAUTIFY.ORG: -- CodeBeautify.Org

Make your source code more beautiful and easy to read
using codeBeautify. Its Al technology will make your
source code more attractive🌟 and easy to read.

7.SHOWWCASE.COM: -- ShowwCase.com

Showwcase is a new social media 📱 website specially for
people who code connect, build community, and find new
opportunities. It is a Linkedin like platform but only
focused on developers.

8.ROADMAP.SH: -- RoadMap.sh

This website provides roadmaps, guidelines, and other
educational content to assist developers in choosing a
path and directing their learning. It is very helpful
for a beginner as well as a learner who needs guidance.

CONCLUSION

That wraps up our journey into the hidden world of programming! We've explored secret websites, uncovered coding gems, and delved into the mysteries of algorithms. It's been an exciting adventure!

For more cool programming stuff, follow me. Let's continue unlocking coding secrets together! 🚀 #CodeDiscoveries

10 ADVANCED JAVASCRIPT TRICKS YOU SHOULD KNOW !!

Sahil Upadhyay — Mon, 27 Nov 2023 18:18:26 +0000

Welcome to the wonderful world of JavaScript, where coding meets enchantment! If you’ve ever felt the thrill of creating content on the web but wondered about the hidden strategies behind it, then you’re at the right place.✨🚀

In this blog, we journey through the realm of JavaScript, demystify the complex and embrace the simple. No confusing terminology – just plain English explanations and step-by-step instructions. Whether you're a coding newbie or a seasoned developer, join us as we discover 10 advanced JavaScript tips that will get you going "Aha!"

1.DESTRUCTURING ASSIGNMENT :--

Assignment destructuring is a concise way to extract
values from arrays or objects and assign them to
variables.
It simplifies your code and improves readability. For
arrays, you can use bracket notation, and you can use
braces for objects.

2.SPREAD SYNTAX :--

You can use the spread syntax to extend the elements of
an array or the properties of an object into another
array or object.
This is useful for making copies, merging objects, and
passing multiple arguments to functions.

3.CURRYING :--

Currying is a functional programming technique in which
a function that takes multiple arguments is transformed
into a sequence of functions, each taking a single
argument.
This allows for better reuse and composition of the
code.

4.MEMOIZATION :--

It's a caching technique used to store the results of
expensive function calls and avoid unnecessary
recalculations.
It can significantly slow the performance of long-term
recursive or consuming functions.

5.PROMISES AND ASYNC/AWAIT :--

Promises and Async/Await are essential to handle
asynchronous operations more gracefully and make code
more readable and maintainable.
They help avoid callbacks hellish and improve error
handling.

6.CLOSURES :--

Closures are functions that remember the environment in
which they were created, even if that environment is no
longer accessible.
They are useful for creating private variables and for
behavior encapsulation.

7.FUNCTION COMPOSITION :--

Function composition is the process of combining two or
more functions to create a new function.
It encourages code reuse and helps create
transformations complex step by step.

8.PROXY :--

The proxy object allows you to create custom behavior
for basic object operations. It allows you to intercept
and modify object operations. 'object, such as
accessing properties, assigning, and calling methods.

9.EVENT DELEGATION :--

Event delegation is a technique in which you attach a
single event listener to a parent rather than multiple
listeners to each child. memory usage and improves
performance, especially for large lists or dynamically
generated content.

10.WEB WORKERS :--

Web Workers allow you to run JavaScript code in the
background, alongside the main thread.
They are useful for offloading CPU- intensive tasks,
Avoid UI hangs and improve performance Responsiveness.

CONCLUSION

And there you have it, fellow legal researchers!😊 Together, we traversed the JavaScript galaxy, revealing 10 techniques that seemed magical at first. But now, armed with a sprinkling of understanding and enthusiasm, you’re ready to apply these coding mantras with confidence.

If you enjoyed this magical tour, don't forget to hit the follow button for more coding adventures. And, of course, your comments are the secret sauce that keeps this community thriving. Share your thoughts, questions, or your own JavaScript tricks below. Let's keep the conversation alive!

Thank you for joining this adventure. Until next time, happy coding! 🚀💻✨

6 TOP JAVASCRIPT TRICKS FOR CLEANER CODE

Sahil Upadhyay — Sat, 25 Nov 2023 02:34:53 +0000

Welcome, fellow coders! Today, we're unlocking the door to JavaScript brilliance. Imagine a world where your code isn't just practical, however a masterpiece of beauty and ease. 🚀

In this quick dive into the artwork of clean JavaScript, we will unleash a handful of tricks so one can rework their code from chaotic to captivating. Think of them as your code's fairy godmothers, prepared to sprinkle a hint of magic for cleaner, extra green scripts.

USE OBJECT DESTRUCTURING :--

Object destructuring allows you to extract data
from objects into distinct variables. This can
make your code cleaner by avoiding repetitively
using dot notation.

2.USE DEFAULT PARAMETERS :--

Default parameters allow you to set default values
for function parameters if none are provided. This
avoids repeating yourself by redefining values
every time. Setting Default values makes function
more flexible to use.

3.USE LET & CONST :--

Using let and const avoids unintended behavior
from var. They make sure variables are block-
scoped and constants can't be reassigned.

4.USE ARRAY METHODS :--

JavaScript has handy array methods to help us write
cleaner code. Things like map(), filter(), find(),
reduce() etc. can avoid lots of loops and make code
more expressive.

5.USE OBJECT METHODS :--

JavaScript gives objects built-in methods like
Object.keys(), Object.values(), JSON.stringify() etc.
Using these avoids reimplementing repetitive tasks.

6.REST/SPREAD PROPERTIES :--

The rest/spread syntax allows us to handle function
parameters and array elements in flexible ways.

CONCLUSION

And there you have it, a sneak peek into the world of cleaner JavaScript code. Armed with these tricks, you're now equipped to make your code not just work, but work elegantly. Embrace simplicity, write with clarity, and let these tips be your guide to smoother coding adventures.

Happy coding, and may your projects be bug-free! 🚀

P.S. Don't forget to hit that follow button for more coding wisdom. Until next time! 👋😊

4 MAIN JAVASCRIPT Object Methods That Every Developer Should Know

Sahil Upadhyay — Sat, 18 Nov 2023 04:08:15 +0000

Welcome to the world of JavaScript, where coding is like creating a beautiful piece of music. In this blog, we're going to explore 4 main JavaScript Object Method that come handy most of the time in our programming world of Objects in JavaScript..

Object.keys(obj_refrence) :--

Object.keys() returns an array of given object's property
names.

In JavaScript, objects can store information in key-value
pairs, like a dictionary. Now, imagine you have an object with
a bunch of keys (names) and values (associated information).

Object.keys() is like a tool that helps you get only the keys
from that object. It's saying, "Give me a list of all the
names (keys) in this object."

Here's a simple example:

     const obj = { a: 1, b: 2, c: 3 };
     console.log(Object.keys(obj));
     // Output: ["a", "b", "c"]

Object.values(obj_refrence) :--

Object.values() returns an array of given object's value.

Here, we will try to access the value of the object instead of
name just like above.

Object.values() is like a tool that helps you get only the
values from that object. It's saying, "Give me a list of all
the values (associated information) in this object."

Here's a simple example:

     const obj = { a: 1, b: 2, c: 3 };
     console.log(Object.values(obj));
     // Output: [1,2,3]

Object.entries(obj_refrence) :--

Object.entries() returns an array of key-value pairs.

Imagine you have an object, and it's like a treasure chest
with many items inside. Each item has a key (name) and some
value (associated information).

Now, Object.entries() is a special tool that helps you see
both the names and the association of each item in the chest.

Here's a simple example:

     let treasureChest = {
       goldCoins: 50,
       silverBars: 20,
       preciousGems: ['diamond', 'sapphire', 'ruby']
     };

     console.log(Object.entries(treasureChest));

     //OUTPUT:  [['goldCoins', 50],['silverBars', 20],
                ['preciousGems', ['diamond', 'sapphire', 'ruby']]]

Object.assign(target_object,src_1,....,src_n) :--

Object.assign() Copies key-value pair from one or more source
objects to target objects.

It helps you create a new object by combining the properties
of one or more existing objects. It's useful when you want to
merge information from different sources into a single,
consolidated object in your JavaScript code.

Imagine you have two containers, one with items (target) and
another with more items (source). Object.assign() is like a
helper that takes items from the second container (source) and
adds them to the first container (target), creating a new,
bigger container (result).

Here's a simple example:

      const target = { a: 1, b: 2 };
      const source = { c: 4, d: 5 };
      const result = Object.assign(target, source);
      console.log(result);
      // Output: { a: 1, b: 2, c: 4, d: 5 }

SUMMARY

And there you have got it—our journey via JavaScript's magical toolbox!

We've met four pleasant helpers: one that suggests us names (Object.Keys), any other that sings us values (Object.Values), a treasure hunter revealing both names and values (Object.Entries), and a master mixer developing a new blend of objects (Object.Assign).

As we wrap up, remember, coding is an ongoing adventure. Follow me for more discoveries, and share your thoughts below. Let's keep the coding conversation alive! 🚀🎉