jQuery active menu.js

//Active menu, absolute url
$('.menu a').each(function() {   
  if (this.href == window.location.href) {
    $(this).addClass('active');
  }
});

//Active menu, relative url
var url = window.location.pathname, 
  urlRegExp = new RegExp(url.replace(/\/$/,'') + '$');

  $('.menu a').each(function(){
    if(urlRegExp.test(this.href.replace(/\/$/,''))){
      $(this).addClass('active');
    }
  });