NVRD Experiment iframe

experiment.html

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/3.5.3/iframeResizer.min.js"></script>

<iframe width="70%" height="1350" id="iframe1" src="" scrolling="no" style="overflow: hidden; height: 1350px;"></iframe>

<script>
  function getUrlVars() {
    var vars = {};
    var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (
      m,
      key,
      value
    ) {
      vars[key] = value;
    });
    return vars;
  }
  function fisherYates(array) {
    var count = array.length,
      randomnumber,
      temp;

    while (count) {
      randomnumber = (Math.random() * count--) | 0;
      temp = array[count];
      array[count] = array[randomnumber];
      array[randomnumber] = temp;
    }
  }
  function pickTool(tools, picked) {
    fisherYates(tools);
    for (var i = 0; i < tools.length; i++) {
      if ((picked || "").toLowerCase() === tools[i].name) return tools[i];
    }
    return tools[Math.floor(Math.random() * tools.length)];
  }
  function setIframeSrc() {
    var source = getUrlVars()["source"] || "",
      tools = [
        {
          name: "rockthevote",
          url:
            "https://register.rockthevote.com/registrants/new/?partner=26179&source=",
        },
        {
          name: "turbovote",
          url: "https://nvrd.turbovote.org/name?r=",
        },
        {
          name: "vote.org",
          url: "https://register.vote.org/?partner=915150&campaign=",
        },
        {
          name: "register2vote",
          url:
            "https://register2vote.org/r2v-form.html?appUse=ext&appStyle=2&appBranding=true&org=nvrd&utm_custom=",
        },
      ],
      tool = pickTool(tools, getUrlVars()["tool"]),
      url = tool.url.replace(/\#038\;/g, "") + source;
      // NOTE: WordPress sometimes escapes & in the source
      // source urls to &#038; - this fixes

    var iframe1 = document.getElementById("iframe1");

    if (-1 == navigator.userAgent.indexOf("MSIE")) {
      iframe1.src = url;
    } else {
      iframe1.location = url;
    }
    iFrameResize({ log: false, checkOrigin: false });

    if (typeof window["_gaq"] !== "undefined") {
      window["_gaq"].push([
        "_trackEvent",
        "RegistrationWidget-Initialize",
        tool.name,
        url,
      ]);
    }
    if (typeof window["ga"] !== "undefined") {
      window["ga"]("send", {
        hitType: "event",
        eventCategory: "RegistrationWidget-Initialize",
        eventAction: tool.name,
        eventLabel: url,
      });
    }

    iframe1.onload = function () {
      if (typeof window["_gaq"] !== "undefined") {
        window["_gaq"].push([
          "_trackEvent",
          "RegistrationWidget",
          tool.name,
          url,
        ]);
      }
      if (typeof window["ga"] !== "undefined") {
        window["ga"]("send", {
          hitType: "event",
          eventCategory: "RegistrationWidget",
          eventAction: tool.name,
          eventLabel: url,
        });
      }
      this.onload = function () {};
    };
  }
  setTimeout(setIframeSrc, 1);
</script>