This refreshes all the css on a page by changing the query string

refresh_css.js

/*
Add a bookmark to this

javascript:(function(){var c=document.getElementsByTagName("link");for(var d=0;d<c.length;d++){var a=c[d];if(a.rel=='stylesheet'||a.type=="text/css"){var e="css_buster_"+Math.floor(Math.random()*1000000000);var g=a.href.split("?",2);var f;if(g.length>1){var b=g[1].indexOf("&")==-1;if(b){f=e}else{f=g[1]+"&"+e}}else{f=e}a.href=g[0]+"?"+f}}})();
*/
(function() {
  var links = document.getElementsByTagName('link');
  for (var i = 0; i < links.length; i++) {
    var l = links[i];
    if (l.rel == 'stylesheet' || l.type == 'text/css') {
      var rand_n = 'css_buster_' + Math.floor(Math.random() * 1000000000);

      var splitted = l.href.split('?', 2);

      var new_query_string;

      // Does it already have a query string?
      if (splitted.length > 1) {
        // does it have params or just a cache buster
        var has_amp = splitted[1].indexOf('&') == -1; // is it a query string? 
        // if it's just a cache buster, swap it out
        if (has_amp) {
          new_query_string = rand_n;
        } else {
          new_query_string = splitted[1] + '&' + rand_n;
        }
      } else {
        new_query_string = rand_n;
      }

      l.href = splitted[0] + '?' + new_query_string;
    }
  }
})()

@jney Oh dang, you are indeed correct. I assumed the behavior was similar to python's .split. I guess JavaScript, Java, and Ruby is the number of elements max, whereas python is the number of splits max. Fixing code.