The JET API does not appear to be designed to handle HTML 5 [asynchronous script loading][1]. For example calls like `JET.onload()` will clearly fail as `JET` will not exist until the API has loaded. What other caveats are there with JET.js?
Further references of note:
-
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script -
http://ie.microsoft.com/testdrive/Performance/AsyncScripts/Default.html -
https://support.google.com/adsense/answer/3221666?hl=en [1]:
http://www.w3.org/TR/html5/scripting-1.html#attr-script-async