Mark McCook Mark McCook - 1 year ago 105
jQuery Question

What is the difference between $(window).load and $(document).ready?

I have been having a problem lately with my JavaScript CODE and taking a portion of my code out of my

and putting it within
fixed the problem.

Now I understand that
is fired just after
, but why is it not ready after
, that is after

Answer Source

load is called when all assets are done loading, including images. ready is fired when the DOM is ready for interaction.

From the MDC, window.onload:

The load event fires at the end of the document loading process. At this point, all of the objects in the document are in the DOM, and all the images and sub-frames have finished loading.

From the jQuery API documentation, .ready( handler ):

While JavaScript provides the load event for executing code when a page is rendered, this event does not get triggered until all assets such as images have been completely received. In most cases, the script can be run as soon as the DOM hierarchy has been fully constructed. The handler passed to .ready() is guaranteed to be executed after the DOM is ready, so this is usually the best place to attach all other event handlers and run other jQuery code. When using scripts that rely on the value of CSS style properties, it's important to reference external stylesheets or embed style elements before referencing the scripts.

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