import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

View file

@ -0,0 +1,15 @@
<!DOCTYPE html>
<html lang="en-US">
<head>
</head>
<body>
<x-foo></x-foo>
<script>
var prototype = Object.create(HTMLElement.prototype);
prototype.createdCallback = function() {
createdCallbackCalled = true;
}
document.registerElement('x-foo', {prototype: prototype});
</script>
</body>
</html>