How to convert a string to url slug in JavaScript

In this Article we will go through how to convert a string to url slug 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 slugify = string => string.toLowerCase().replace(/\s+/g, '-').replace(/[^\w-]+/g, '');

slugify('Chapter One: Once upon a time...');    // 'chapter-one-once-upon-a-time'