30 Seconds of Code – Collection of Useful Javascript Snippets

Curated collection of useful Javascript snippets that you can understand in 30 seconds or less.

Contents

• Anagrams of string (with duplicates)
• Average of array of numbers
• Capitalize first letter of every word
• Capitalize first letter
• Check for palindrome
• Count occurrences of a value in array
• Current URL
• Curry
• Deep flatten array
• Difference between arrays
• Distance between two points
• Divisible by number
• Escape regular expression
• Even or odd number
• Factorial
• Fibonacci array generator
• Filter out non uniqe values in an array
• Flatten array
• Get max value from array
• Get min value from array
• Get scroll position
• Greatest common divisor (GCD)
• Head of list
• Initial of list
• Initialize array with range
• Initialize array with values
• Last of list
• Measure time taken by function
• Object from key value pairs
• Pipe
• Powerset
• Random number in range
• Randomize order of array
• Redirect to url
• Reverse a string
• RGB to hexadecimal
• Scroll to top
• Shuffle array values
• Similarity between arrays
• Sort characters in string (alphabetical)
• Sum of array of numbers
• Swap values of two variables
• Tail of list
• Unique values of array
• URL parameters
• UUID generator
• Validate number

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