javascript replace spaces with plus code example

Example 1: js replace space with underscore

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

Example 2: replacing each space in a string javascript

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

Example 3: 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 4: javascript replace spaces with nbsp

str = str.replace(/\s/g, " ");