In this Article we will go through how to remove empty lines of 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 removeEmptyLines = str => str.split(/\r?\n/).filter(line => line.trim() !== '').join('\n');
removeEmptyLines(`red
green
blue
yellow`);
/* Output */
/*
red
green
blue
yellow
*/