javascript remove all spaces code example

Example 1: javascript remove all whitespaces

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

Example 2: remove all spaces from a string javascript

.replace(/ /g,'')

Example 3: javascript remove all spaces from string

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

Example 4: remove space from string javascript

var str = "       Hello World!        ";
alert(str.trim());