delete spaces in string js code example

Example 1: javascript remove all whitespaces

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

Example 2: javascript remove space from string

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

// Example
removeSpaces('hel lo wor ld');      // 'helloworld'

Example 3: remove space from string javascript

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