javascript remove double spaces code example

Example 1: js method string remove extra spaces

const sentence = '    My string with a    lot   of Whitespace.  '.replace(/\s+/g, ' ').trim()

// 'My string with a lot of Whitespace.'

Example 2: javascript replace multiple spaces with single space

var multiSpacesString="I  have     some big    spaces.";
var singleSpacesString=multiSpacesString.replace(/  +/g, ' ');//"I have some big spaces."

Example 3: js remove spaces

str = str.trim();