how to remove space from inside the string in javascript code example

Example 1: remove spaces in a string js

str.replace(/\s+/g, '')

Example 2: js remove space before string

var str = "  Some text ";
str.trim();
// str = "Some text"

Example 3: how to remove spaces from strings javascript

var str = '/var/www/site/Brand new document.docx';

document.write( str.replace(/\s/g, '') );