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Daily programming challenges to prove your coding skills

Daily JavaScript Challenge #JS-139: Determine Leap Year

Daily JavaScript Challenge #JS-139: Determine Leap Year

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1 min read

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Daily JavaScript Challenge #JS-138: Reverse Words in a String

Daily JavaScript Challenge #JS-138: Reverse Words in a String

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Daily JavaScript Challenge #JS-137: Flatten a Nested Object

Daily JavaScript Challenge #JS-137: Flatten a Nested Object

4
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Daily JavaScript Challenge #JS-136: Check if Number is a Happy Number

Daily JavaScript Challenge #JS-136: Check if Number is a Happy Number

3
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Daily JavaScript Challenge #JS-135: Count the Frequency of Elements

Daily JavaScript Challenge #JS-135: Count the Frequency of Elements

3
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Daily JavaScript Challenge #JS-134: Sum of Prime Numbers

Daily JavaScript Challenge #JS-134: Sum of Prime Numbers

7
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Daily JavaScript Challenge #JS-133: Count Unique Characters in a String

Daily JavaScript Challenge #JS-133: Count Unique Characters in a String

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Daily JavaScript Challenge #JS-132: Find Majority Element in an Array

Daily JavaScript Challenge #JS-132: Find Majority Element in an Array

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Daily JavaScript Challenge #JS-131: String Compression

Daily JavaScript Challenge #JS-131: String Compression

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Daily JavaScript Challenge #JS-130: Array: Find Missing Number in Arithmetic Sequence

Daily JavaScript Challenge #JS-130: Array: Find Missing Number in Arithmetic Sequence

8
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Daily JavaScript Challenge #JS-129: Calculate Median of a Number Array

Daily JavaScript Challenge #JS-129: Calculate Median of a Number Array

4
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Daily JavaScript Challenge #JS-128: Find First Non-Repeated Word in a Sentence

Daily JavaScript Challenge #JS-128: Find First Non-Repeated Word in a Sentence

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Daily JavaScript Challenge #JS-127: Compute the Longest Common Prefix

Daily JavaScript Challenge #JS-127: Compute the Longest Common Prefix

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Daily JavaScript Challenge #JS-126: Rotate Matrix 90 Degrees Clockwise

Daily JavaScript Challenge #JS-126: Rotate Matrix 90 Degrees Clockwise

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Daily JavaScript Challenge #JS-125: Shuffle Array Elements in Pairs

Daily JavaScript Challenge #JS-125: Shuffle Array Elements in Pairs

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Daily JavaScript Challenge #JS-124: Find Number of Vowels in a String

Daily JavaScript Challenge #JS-124: Find Number of Vowels in a String

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Daily JavaScript Challenge #JS-123: Transform Array by Multiplying Even Indices and Subtracting Odd Indices

Daily JavaScript Challenge #JS-123: Transform Array by Multiplying Even Indices and Subtracting Odd Indices

4
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Daily JavaScript Challenge #JS-122: Find Maximum Difference Between Consecutive Elements

Daily JavaScript Challenge #JS-122: Find Maximum Difference Between Consecutive Elements

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Daily JavaScript Challenge #JS-121: Detect Consecutive Duplicates in a String

Daily JavaScript Challenge #JS-121: Detect Consecutive Duplicates in a String

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Daily JavaScript Challenge #JS-120: Calculate the Fibonacci Sequence Up to N Terms

Daily JavaScript Challenge #JS-120: Calculate the Fibonacci Sequence Up to N Terms

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Daily JavaScript Challenge #JS-119: Find the Middle Character(s) of a String

Daily JavaScript Challenge #JS-119: Find the Middle Character(s) of a String

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Daily JavaScript Challenge #JS-118: Calculate the Product of Digits

Daily JavaScript Challenge #JS-118: Calculate the Product of Digits

5
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Daily JavaScript Challenge #JS-117: Validate Parentheses

Daily JavaScript Challenge #JS-117: Validate Parentheses

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Daily JavaScript Challenge #JS-116: Flatten a Nested Array

Daily JavaScript Challenge #JS-116: Flatten a Nested Array

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Daily JavaScript Challenge #JS-115: Calculate Maximum Subarray Sum

Daily JavaScript Challenge #JS-115: Calculate Maximum Subarray Sum

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Daily JavaScript Challenge #JS-114: Pair Swap In an Array

Daily JavaScript Challenge #JS-114: Pair Swap In an Array

7
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Daily JavaScript Challenge #JS-113: Convert Infix Expression to Postfix

Daily JavaScript Challenge #JS-113: Convert Infix Expression to Postfix

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Daily JavaScript Challenge #JS-112: Compute Longest Increasing Subsequence

Daily JavaScript Challenge #JS-112: Compute Longest Increasing Subsequence

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Daily JavaScript Challenge #JS-111: Find the Mode of an Array

Daily JavaScript Challenge #JS-111: Find the Mode of an Array

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Daily JavaScript Challenge #JS-110: Determine the Longest Chain of Consecutive Days Seen in Logs

Daily JavaScript Challenge #JS-110: Determine the Longest Chain of Consecutive Days Seen in Logs

4
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Daily JavaScript Challenge #JS-109: Convert Snake Case to Camel Case

Daily JavaScript Challenge #JS-109: Convert Snake Case to Camel Case

7
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Daily JavaScript Challenge #JS-108: Calculate Factorial with Tail Recursion

Daily JavaScript Challenge #JS-108: Calculate Factorial with Tail Recursion

4
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Daily JavaScript Challenge #JS-107: Validate Sudoku Board

Daily JavaScript Challenge #JS-107: Validate Sudoku Board

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Daily JavaScript Challenge #JS-106: Check for Palindromic Permutations

Daily JavaScript Challenge #JS-106: Check for Palindromic Permutations

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Daily JavaScript Challenge #JS-105: Check if a Number is a Happy Number

Daily JavaScript Challenge #JS-105: Check if a Number is a Happy Number

3
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Daily JavaScript Challenge #JS-104: Compute Spiral Order Traversal of a Matrix

Daily JavaScript Challenge #JS-104: Compute Spiral Order Traversal of a Matrix

3
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Daily JavaScript Challenge #JS-103: Sum of Squared Positive Integers

Daily JavaScript Challenge #JS-103: Sum of Squared Positive Integers

3
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Daily JavaScript Challenge #JS-102: Calculate Unique Elements in a Square Matrix

Daily JavaScript Challenge #JS-102: Calculate Unique Elements in a Square Matrix

4
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Daily JavaScript Challenge #JS-101: Find the Maximum Depth of a Nested Array

Daily JavaScript Challenge #JS-101: Find the Maximum Depth of a Nested Array

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Daily JavaScript Challenge #JS-100: Find Smallest Missing Positive Integer

Daily JavaScript Challenge #JS-100: Find Smallest Missing Positive Integer

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Daily JavaScript Challenge #JS-99: Find Non-Repeating Character in String

Daily JavaScript Challenge #JS-99: Find Non-Repeating Character in String

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Daily JavaScript Challenge #JS-98: Find the Second Largest Number in an Array

Daily JavaScript Challenge #JS-98: Find the Second Largest Number in an Array

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Daily JavaScript Challenge #JS-97: Longest Unique Substring

Daily JavaScript Challenge #JS-97: Longest Unique Substring

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Daily JavaScript Challenge #JS-96: Sum Digit Sequence

Daily JavaScript Challenge #JS-96: Sum Digit Sequence

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Daily JavaScript Challenge #JS-95: Calculate the Product of Non-Zero Elements

Daily JavaScript Challenge #JS-95: Calculate the Product of Non-Zero Elements

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Daily JavaScript Challenge #JS-94: Reverse Words in a Sentence

Daily JavaScript Challenge #JS-94: Reverse Words in a Sentence

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Daily JavaScript Challenge #JS-93: Bracket Balancing Checker

Daily JavaScript Challenge #JS-93: Bracket Balancing Checker

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Daily JavaScript Challenge #JS-92: Decode a String with Nested Patterns

Daily JavaScript Challenge #JS-92: Decode a String with Nested Patterns

4
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Daily JavaScript Challenge #JS-91: Calculate Average RGB Values of an Image

Daily JavaScript Challenge #JS-91: Calculate Average RGB Values of an Image

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Daily JavaScript Challenge #JS-90: Generate Collatz Sequence

Daily JavaScript Challenge #JS-90: Generate Collatz Sequence

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Daily JavaScript Challenge #JS-89: Convert Decimal Number to Roman Numerals

Daily JavaScript Challenge #JS-89: Convert Decimal Number to Roman Numerals

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Daily JavaScript Challenge #JS-88: Calculate the Sum of All Prime Numbers Less Than N

Daily JavaScript Challenge #JS-88: Calculate the Sum of All Prime Numbers Less Than N

3
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Daily JavaScript Challenge #JS-87: Binary Gap Length

Daily JavaScript Challenge #JS-87: Binary Gap Length

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Daily JavaScript Challenge #JS-86: Array Symmetry Checker

Daily JavaScript Challenge #JS-86: Array Symmetry Checker

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Daily JavaScript Challenge #JS-85: Sum of Digits Until Single Digit

Daily JavaScript Challenge #JS-85: Sum of Digits Until Single Digit

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Daily JavaScript Challenge #JS-84: Find the First Repeated Character in a String

Daily JavaScript Challenge #JS-84: Find the First Repeated Character in a String

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Daily JavaScript Challenge #JS-83: Merge Overlapping Intervals

Daily JavaScript Challenge #JS-83: Merge Overlapping Intervals

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Daily JavaScript Challenge #JS-82: Capitalize the First Letter of Each Word

Daily JavaScript Challenge #JS-82: Capitalize the First Letter of Each Word

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Daily JavaScript Challenge #JS-81: Find the Longest Consecutive Sequence of Ones

Daily JavaScript Challenge #JS-81: Find the Longest Consecutive Sequence of Ones

4
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Daily JavaScript Challenge #JS-80: Detect Cyclic Dependency in a Directed Graph

Daily JavaScript Challenge #JS-80: Detect Cyclic Dependency in a Directed Graph

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