An AbstractRequest that loads HTML tags, such as images and scripts.
Remove event listeners, but don't destroy the request object
Handle the readyStateChange event from a tag. We need this in place of the
onload callback (mainly SCRIPT
and LINK tags), but other cases may exist.
Handle a stalled audio event. The main place this happens is with HTMLAudio in Chrome when playing back audio that is already in a load, but not complete.
Handle the tag's onload callback.
Determines if the element was added to the DOM automatically by PreloadJS, so it can be cleaned up after.
A method closure used for handling the tag load event.
The HTML tag instance that is used to load.
The tag attribute that specifies the source, such as "src", "href", etc.