Javascript

Sort an array of items by given key

This function sorts an array of objects based on a given key. JavaScript: TypeScript:

Swap the rows and columns of a matrix

This function swaps the rows and columns of a 2D array, also known as ‘transposing’ a matrix. JavaScript: TypeScript:

Get all subsets of an array

This function generates all possible subsets of an array. JavaScript: TypeScript:

Sort an array of numbers

This function sorts an array of numbers in ascending order. JavaScript: TypeScript:

Get the rank of an array of numbers

This function returns an array with the same length as the input array, where each element is the rank of…

Zip multiple arrays

This function ‘zips’ multiple arrays, merging them into one array of tuples, where the first element of each input array…

Find the length of the longest string in an array

This function finds the length of the longest string in an array. JavaScript: TypeScript:

Find the minimum item of an array by given key

This function finds the smallest number in an array of objects, based on a specified key. JavaScript: TypeScript:

Find the index of the maximum item of an array

This function finds the index of the largest number in an array. JavaScript: TypeScript:

Find the maximum item of an array by given key

This function finds the largest number in an array of objects, based on a specified key. JavaScript: TypeScript: