Sep 9, 2021 JavaScript
How to shuffle an array in JavaScript

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);

Sep 9, 2021 JavaScript
How to sort an array of numbers in JavaScript

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);

Sep 9, 2021 JavaScript
How to split an array into chunks in JavaScript

In this Article we will go through how to split an array into chunks 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 chunk = (arr, size) => arr.reduce((acc, e, i) => (i % size ? acc[acc.length - 1].push(e) : acc.push([e]), acc), []);

Sep 9, 2021 JavaScript
How to swap the rows and columns of a matrix in JavaScript

In this Article we will go through how to swap the rows and columns of a matrix 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 transpose = matrix => matrix[0].map((col, i) => matrix.map(row => row[i]));

Sep 9, 2021 JavaScript
How to swap two array items in JavaScript

In this Article we will go through how to swap two array items 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 swapItems = (a, i, j) => a[i] && a[j] && [...a.slice(0, i), a[j], ...a.slice(i + 1, j), a[i], ...a.slice(j + 1)] || a;

Sep 9, 2021 JavaScript
How to zip multiple arrays in JavaScript

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]));

Sep 9, 2021 JavaScript
How to unzip an array of arrays in JavaScript

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)) }, (_) => []));

Sep 9, 2021 JavaScript
How to box handler in JavaScript

In this Article we will go through how to box handler 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 boxHandler = x => ({ next: f => boxHandler(f(x)), done: f => f(x) });

Sep 9, 2021 JavaScript
How to check if a value is a function in JavaScript

In this Article we will go through how to check if a value is a function 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 isFunction = v => ['[object Function]', '[object GeneratorFunction]', '[object AsyncFunction]', '[object Promise]'].includes(Object.prototype.toString.call(v));

Sep 9, 2021 JavaScript
How to check if a value is a generator function in JavaScript

In this Article we will go through how to check if a value is a generator function 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 isGeneratorFunction = v => Object.prototype.toString.call(v) === '[object GeneratorFunction]';