how to remove spaces in js code example

Example 1: remove spaces in a string js

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

Example 2: javascript remove all whitespaces

var spacesString= "Do I have spaces?"; 
var noSpacesString= myString.replace(/ /g,'');// "DoIhavespaces?"

Example 3: how to remove spaces from strings javascript

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

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