[рони]

dpts,

http://stackoverflow.com/questions/9...-in-javascript

window.addEventListener('DOMContentLoaded', function() {
      function getParameterByName(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}


       var view = +getParameterByName('view')||1,
           li = document.querySelectorAll('.os-settings-li'),
           div = document.querySelectorAll('.content');
       [].forEach.call(li, function(el, i) {
           el.addEventListener('click', function() {
               [].forEach.call(div, function(d, k) {
                   i != k && (li[k].classList.remove('show'), d.classList.remove('show'));
               });
               el.classList.toggle('show')
               div[i].classList.toggle('show')
           });
       });
       li[--view].click()
   });