string replace all spaces javascript code example

Example 1: replacing each space in a string javascript

const name = 'Hi my name is Flavio'
name.replace(/\s/g, '') //HimynameisFlavio

Example 2: js replace all spaces

var replaced = str.replace(/ /g, '_');

Example 3: javascript replace all spaces

var str = 'a b c';
var replaced = str.split(' ').join('_');