replace all spaces with code example
Example 1: js replace all spaces
var replaced = str.replace(/ /g, '_');
Example 2: javascript replace all spaces
var str = 'a b c';
var replaced = str.split(' ').join('_');
var replaced = str.replace(/ /g, '_');
var str = 'a b c';
var replaced = str.split(' ').join('_');