javascript replace space code example

Example 1: js replace space with underscore

var string = "my name";
string = string.replace(/ /g,"_"); //returns my_name

Example 2: javascript replace spaces with dashes

title = title.replace(/\s/g , "-");

Example 3: replace white spaces javascript

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

Example 4: javascript replace spaces with br

str = str.replace(/\s/g, "<br>");