Skip to content

Instantly share code, notes, and snippets.

@querymetrics

querymetrics/loader-onload.js

Last active November 14, 2017 22:54
Show Gist options
  • Save querymetrics/2aa1f68ea1d7b57fc14aa49002192f05 to your computer and use it in GitHub Desktop.
Save querymetrics/2aa1f68ea1d7b57fc14aa49002192f05 to your computer and use it in GitHub Desktop.
Download ZIP
mPulse Loader snippet that delays Boomerang loading until onLoad has occurred
Raw
loader-onload.js
<script>
(function(){
if (window.BOOMR && window.BOOMR.version) { return; }
var win = window;
function boomerangSaveLoadTime(e) {
win.BOOMR_onload=(e && e.timeStamp) || new Date().getTime();
}
function boomerangLoad() {
var dom,doc,where,iframe = document.createElement("iframe"),win = window;
iframe.src = "javascript:void(0)";
iframe.title = ""; iframe.role = "presentation";
(iframe.frameElement || iframe).style.cssText = "width:0;height:0;border:0;display:none;";
where = document.getElementsByTagName("script")[0];
where.parentNode.insertBefore(iframe, where);
try {
doc = iframe.contentWindow.document;
} catch(e) {
dom = document.domain;
iframe.src="javascript:var d=document.open();d.domain='"+dom+"';void(0);";
doc = iframe.contentWindow.document;
}
doc.open()._l = function() {
var js = this.createElement("script");
if (dom) { this.domain = dom; }
js.id = "boomr-if-as";
js.src = "https://s.go-mpulse.net/boomerang/" +
"[API-KEY]";
BOOMR_lstart=new Date().getTime();
this.body.appendChild(js);
};
doc.write('<body onload="document._l();">');
doc.close();
}
function windowOnLoad(e) {
boomerangSaveLoadTime(e);
setTimeout(boomerangLoad, 0);
}
if ((win.performance && win.performance.timing && win.performance.timing.loadEventStart) || (document.readyState && document.readyState === "complete")) {
boomerangLoad();
} else {
if (win.addEventListener) {
win.addEventListener("load", windowOnLoad, false);
} else if (win.attachEvent) {
win.attachEvent("onload", windowOnLoad);
}
}
})();
</script>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment