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tanmaypatel/isDocumentLoaded.js

Created February 16, 2014 07:39
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How to check if an HTML page is already loaded. Even after "load" event has dispatched!
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isDocumentLoaded.js
/* This has been supported in IE and webkit for a long time. It was added to Firefox in 3.6. Here's the spec (http://www.w3.org/TR/html5/dom.html#dom-document-readystate). "loaded" is for older Safari browsers.*/
if (document.readyState == "complete" || document.readyState == "loaded")
{
// document is already ready to go
}
/* If you want to know when the page has been parsed, but all subresources have not yet been loaded, you can add the "interactive" value: */
if (document.readyState == "complete"
|| document.readyState == "loaded"
|| document.readyState == "interactive") {
// document has at least been parsed
}
/* Beyond this, if you really just want to know when DOMContentLoaded has fired, then you'll have to install an event handler for that (before it fires) and set a flag when it fires. */
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