In this Article we will go through how to remove falsy values from 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 removeFalsy = arr => arr.filter(Boolean);

In this Article we will go through how to repeat 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 repeat = (arr, n) => [].concat(...Array(n).fill(arr));

In this Article we will go through how to shuffle 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 shuffle = arr => arr.map(a => ({ sort: Math.random(), value: a })).sort((a, b) => a.sort - b.sort).map(a => a.value);

In this Article we will go through how to cast a value as 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 castArray = value => Array.isArray(value) ? value : [value];

In this Article we will go through how to check if an array is empty 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 isEmpty = arr => !Array.isArray(arr) || arr.length === 0;

In this Article we will go through how to clone 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 clone = arr => arr.slice(0);

In this Article we will go through how to compare two arrays regardless of order 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 isEqual = (a, b) => JSON.stringify(a.sort()) === JSON.stringify(b.sort());

In this Article we will go through how to compare two 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 isEqual = (a, b) => JSON.stringify(a) === JSON.stringify(b);

In this Article we will go through how to convert an array of objects to a single object 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 toObject = (arr, key) => arr.reduce((a, b) => ({ ...a, [b[key]]: 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);