How to reverse the order of lines of a text in JavaScript

In this Article we will go through how to reverse the order of lines of a text 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 reverseLines = str => str.split(/\r?\n/).reverse().join('\n');

reverseLines(`one
two
three`);

/* Output */
/*
three
two
one
*/