How to trim some character in JavaScript

In this Article we will go through how to trim some character 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 trim = (str, char) => str.split(char).filter(Boolean).join();


trim('/hello world//', '/');        // hello world
trim('"hello world"', '"');         // hello world
trim('   hello world ', ' ');       // hello world