remove whitespaces from string javascript code example

Example 1: javascript remove all whitespaces

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

Example 2: remove whitespace with regex javascript

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

Example 3: javascript whitespace strip

yourvariable.trim()