remove extra whitespace javascript code example

Example 1: javascript remove space from string

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

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

Example 2: remove extra space in string js

newString = string.replace(/\s+/g,' ').trim();

Example 3: javascript trim

var str=" I have outer spaces ";
var cleanStr=str.trim();//trim() returns string with outer spaces removed