slugify.js

function slugify(str) {
  str = str.toString().toLowerCase().trim()
  .replace(/\s+/g, '-')           // Replace spaces with -
  .replace(/&/g, '-and-')         // Replace & with 'and'
  .replace(/[^\w\-]+/g, '')       // Remove all non-word chars
  .replace(/\-\-+/g, '-');        // Replace multiple - with single -
  
  return str;
}