Sep 9, 2021 JavaScript
How to convert a string to camelcase in JavaScript

In this Article we will go through how to convert a string to camelcase 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 toCamelCase = str => str.trim().replace(/[-_\s]+(.)?/g, (_, c) => c ? c.toUpperCase() : '');

Sep 9, 2021 JavaScript
How to convert a string to pascalcase in JavaScript

In this Article we will go through how to convert a string to pascalcase 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 toPascalCase = str => (str.match(/[a-zA-Z0-9]+/g) || []).map(w => `${w.charAt(0).toUpperCase()}${w.slice(1)}`).join('');

Sep 9, 2021 JavaScript
How to capitalize a string in JavaScript

In this Article we will go through how to capitalize a string 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 capitalize = str => `${str.charAt(0).toUpperCase()}${str.slice(1)}`;

Sep 9, 2021 JavaScript
How to get random items of an array in JavaScript

In this Article we will go through how to get random items of 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 randomItems = (arr, count) => arr.concat().reduce((p, _, __, arr) => (p[0] < count) ? [p[0] + 1, p[1].concat(arr.splice(Math.random() * arr.length | 0, 1))] : p, [0, []])[1];

Sep 9, 2021 JavaScript
How to pick a random property of an object in JavaScript

In this Article we will go through how to pick a random property of an 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 randomProp = obj => Object.keys(obj)[(Math.random() * Object.keys(obj).length) | 0];

Sep 9, 2021 JavaScript
How to pick random lines from a text document in JavaScript

In this Article we will go through how to pick random lines from a text document 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 randomLines = (str, count) => str.split(/\r?\n/).reduce((p, _, __, arr) => (p[0] < count) ? [p[0] + 1, p[1].concat(arr.splice(Math.random() * arr.length | 0, 1))] : p, [0, []])[1];

Sep 9, 2021 JavaScript
How to generate a random string using node crypto module in JavaScript

In this Article we will go through how to generate a random string using node crypto module 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 randomStr = () => require('crypto').randomBytes(32).toString('hex');

Sep 9, 2021 JavaScript
How to generate a random string with given length in JavaScript

In this Article we will go through how to generate a random string with given length 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 generateString = length => Array(length).fill('').map((v) => Math.random().toString(36).charAt(2)).join('');

Sep 9, 2021 JavaScript
How to generate a random uuid in JavaScript

In this Article we will go through how to generate a random uuid 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 uuid = (a) => a ? (a ^ Math.random() * 16 >> a / 4).toString(16) : ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, uuid);

Sep 9, 2021 JavaScript
How to generate an array of random integers in a given range in JavaScript

In this Article we will go through how to generate an array of random integers in a 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 randomArrayInRange = (min, max, n) => Array.from({ length: n }, () => Math.floor(Math.random() * (max - min + 1)) + min);