In this Article we will go through how to unzip an array of arrays only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const unzip = arr => arr.reduce((acc, c) => (c.forEach((v, i) => acc[i].push(v)), acc), Array.from({ length: Math.max(...arr.map(a => a.length)) }, (_) => []));

In this Article we will go through how to zip multiple arrays only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const zip = (...arr) => Array.from({ length: Math.max(...arr.map(a => a.length)) }, (_, i) => arr.map(a => a[i]));

In this Article we will go through how to sort an array of numbers only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const sort = arr => arr.sort((a, b) => a - b);

In this Article we will go through how to convert an array of strings to numbers only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const toNumbers = arr => arr.map(Number);

In this Article we will go through how to count by the properties of an array of objects only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const countBy = (arr, prop) => arr.reduce((prev, curr) => (prev[curr[prop]] = ++prev[curr[prop]] || 1, prev), {});

In this Article we will go through how to count the occurrences of array elements only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const countOccurrences = arr => arr.reduce((prev, curr) => (prev[curr] = ++prev[curr] || 1, prev), {});

In this Article we will go through how to create an array of cumulative sum only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const accumulate = arr => arr.map((sum => value => sum += value)(0));

In this Article we will go through how to create an array of numbers in the given range only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const range = (min, max) => [...Array(max - min + 1).keys()].map(i => i + min);

In this Article we will go through how to count the occurrences of a value in an array only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const countOccurrences = (arr, val) => arr.reduce((a, v) => (v === val ? a + 1 : a), 0);

In this Article we will go through how to create cartesian product only using single line of code in JavaScript. This is a one-line JavaScript code snippet that uses one of the most popular ES6 features => Arrow Function.

Let's define this short function:

const cartesian = (...sets) => sets.reduce((acc, set) => acc.flatMap((x) => set.map((y) => [...x, y])), [[]]);