how to remove a space in javascript code example

Example 1: remove spaces in a string js

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

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());