javascript delete spaces 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: js remove space from string

string.split(" ").join("")

Example 4: remove space from string javascript

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