title = title.replace(/s/g , "-");
// replaces space with '-'
str = str.replace(/ /g, "-");
// or
str = str.split(' ').join('-');
let originalText = 'This is my text';
let dashedText = originalText.replace(/ /g, '-');
title = title.replace(/s/g , "-");
var html = "<div>" + title + "</div>";
// ...
const text = "codetogo saved me tons of time";
text.replace(/ /g, "-");