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Johnny Simpson

Daily dev tips from fjolt.com - Regular tips to help you improve your development skills.

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UCL

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v-show vs v-if: Conditional Rendering in Vue
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v-show vs v-if: Conditional Rendering in Vue

6
Comments
2 min read

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Checking if a value is a number in Javascript with isNaN()
Cover image for Checking if a value is a number in Javascript with isNaN()

Checking if a value is a number in Javascript with isNaN()

9
Comments 6
4 min read
Javascript Arrays - How to Remove Duplicate Elements
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Javascript Arrays - How to Remove Duplicate Elements

2
Comments
1 min read
Javascript Arrays
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Javascript Arrays

2
Comments
4 min read
Javascript toLowerCase() - Convert Strings to Lowercase
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Javascript toLowerCase() - Convert Strings to Lowercase

2
Comments
1 min read
How to Check if Object is Empty in JavaScript
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How to Check if Object is Empty in JavaScript

8
Comments 3
2 min read
Javascript Promise.all() - Everything you need to know
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Javascript Promise.all() - Everything you need to know

3
Comments 1
3 min read
Javascript innerHTML
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Javascript innerHTML

2
Comments
2 min read
Centering Elements in CSS with Tailwind
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Centering Elements in CSS with Tailwind

15
Comments
2 min read
Getting Started with Redis and Node.JS
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Getting Started with Redis and Node.JS

4
Comments
2 min read
Javascript Array Some Method
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Javascript Array Some Method

1
Comments
2 min read
Javascript: Check if an Array is a Subset of Another Array
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Javascript: Check if an Array is a Subset of Another Array

29
Comments 5
1 min read
Javascript Array Every Method
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Javascript Array Every Method

17
Comments
3 min read
Creating and Generating UUIDs with Javascript
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Creating and Generating UUIDs with Javascript

12
Comments 1
3 min read
Javascript Array Concat Method
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Javascript Array Concat Method

5
Comments
3 min read
Javascript Immediately invoked function expressions (IIFE)
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Javascript Immediately invoked function expressions (IIFE)

12
Comments
2 min read
Javascript loops: for vs forEach vs for.. in vs for.. of
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Javascript loops: for vs forEach vs for.. in vs for.. of

30
Comments 1
4 min read
Removing the last element of an array in Javascript
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Removing the last element of an array in Javascript

8
Comments 1
2 min read
Javascript Ordinals: Adding st, nd, rd and th suffixes to a number
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Javascript Ordinals: Adding st, nd, rd and th suffixes to a number

9
Comments
2 min read
Git: Renaming a Branch
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Git: Renaming a Branch

5
Comments
1 min read
Git Merge: Merging Changes from other Branches
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Git Merge: Merging Changes from other Branches

11
Comments
3 min read
Resolving Git Merge Conflicts
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Resolving Git Merge Conflicts

51
Comments 1
5 min read
A Step by Step Guide to Git Branches
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A Step by Step Guide to Git Branches

30
Comments
3 min read
Javascript Shallow Copy - what is a Shallow Copy?
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Javascript Shallow Copy - what is a Shallow Copy?

77
Comments 14
3 min read
CSS Individual Transform Properties
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CSS Individual Transform Properties

19
Comments
3 min read
Javascript Proxy: Using Javascript Proxies like a Pro
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Javascript Proxy: Using Javascript Proxies like a Pro

96
Comments 8
7 min read
The Complete Beginners Guide to Getting Started with Git
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The Complete Beginners Guide to Getting Started with Git

21
Comments
6 min read
What are NodeLists, and how do they work?
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What are NodeLists, and how do they work?

10
Comments
3 min read
Javascript Add Event Listener to Multiple Elements
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Javascript Add Event Listener to Multiple Elements

34
Comments 5
3 min read
Javascript Array Filter Method
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Javascript Array Filter Method

20
Comments
3 min read
Javascript Array Reduce Method
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Javascript Array Reduce Method

8
Comments
4 min read
Javascript Array Slice Method
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Javascript Array Slice Method

7
Comments
3 min read
The Difference between TypeScript and Javascript
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The Difference between TypeScript and Javascript

39
Comments 8
4 min read
How to get the last element of an Array in Javascript
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How to get the last element of an Array in Javascript

34
Comments 2
1 min read
Updating Object Key Values with Javascript
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Updating Object Key Values with Javascript

19
Comments 2
2 min read
Waiting for the DOM to be ready in Javascript
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Waiting for the DOM to be ready in Javascript

17
Comments 3
2 min read
The Essential Guide to Javascript Sets
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The Essential Guide to Javascript Sets

31
Comments 1
4 min read
Transporting your Components Anywhere with React Portals
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Transporting your Components Anywhere with React Portals

138
Comments 3
3 min read
Setting the Default Node.JS version with nvm
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Setting the Default Node.JS version with nvm

42
Comments 4
2 min read
How to count all files in a directory in Linux
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How to count all files in a directory in Linux

7
Comments 1
1 min read
Python: The Difference Between Sets, Lists, Dictionaries and Tuples
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Python: The Difference Between Sets, Lists, Dictionaries and Tuples

13
Comments
2 min read
Python Dictionaries: A Complete Guide
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Python Dictionaries: A Complete Guide

8
Comments
6 min read
Python Lists: A Complete Guide
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Python Lists: A Complete Guide

5
Comments
5 min read
Python Sets: A Complete Guide
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Python Sets: A Complete Guide

5
Comments
5 min read
Python Tuples: A Complete Guide
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Python Tuples: A Complete Guide

6
Comments
3 min read
How to get all keys in Redis
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How to get all keys in Redis

8
Comments 1
1 min read
A Complete Guide to Redis Hashes
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A Complete Guide to Redis Hashes

14
Comments 2
3 min read
A Complete Guide to Javascript Maps
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A Complete Guide to Javascript Maps

48
Comments 3
6 min read
Deleting an Item in an Array at a Specific Index
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Deleting an Item in an Array at a Specific Index

13
Comments
2 min read
Everything you need to know about Javascript Arrays
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Everything you need to know about Javascript Arrays

23
Comments 1
3 min read
Inserting an Item into an Array at a Specific Index in Javascript
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Inserting an Item into an Array at a Specific Index in Javascript

7
Comments
2 min read
How to Kill a Process Running on a Port
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How to Kill a Process Running on a Port

40
Comments 12
2 min read
How to delete all keys and everything in Redis
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How to delete all keys and everything in Redis

15
Comments
1 min read
Git Stash - Everything about stashing changes in git
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Git Stash - Everything about stashing changes in git

16
Comments 1
4 min read
Navigation between views in Vue with Vue Router
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Navigation between views in Vue with Vue Router

18
Comments
5 min read
How to undo a git pull
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How to undo a git pull

74
Comments 5
2 min read
How to make Git ignore file permission (chmod) changes
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How to make Git ignore file permission (chmod) changes

12
Comments
1 min read
What are the three dots (...) or spread operator in Javascript?
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What are the three dots (...) or spread operator in Javascript?

21
Comments 2
2 min read
Vue Tips: Optimize your Vue Apps with v-once and v-memo
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Vue Tips: Optimize your Vue Apps with v-once and v-memo

9
Comments
4 min read
Vue Tips: Dynamic CSS with Vue Reactive Variables
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Vue Tips: Dynamic CSS with Vue Reactive Variables

19
Comments
2 min read
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