javascript replace spaces with nbsp

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

let originalText = 'This is my text';
let dashedText = originalText.replace(/ /g, '-');

title = title.replace(/\s/g , "-");
var html = "<div>" + title + "</div>";
// ...

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

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

str = str.replace(/\s/g, " ");

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