plequang.github.io/test.html at master · plequang/plequang.github.io · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
<!DOCTYPE html>
<html>
<head>
	<title>Cosmoz 3</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/0.6.1/webcomponents.js"></script>
	<link rel="import" href="404.html">

</head>

<body>

<button>Click me to 404 import</button>
<script>

var button = document.querySelector('button');
button.addEventListener('click', function () {
	console.log('button click');
	var importLink = document.createElement('link');
	importLink.setAttribute('rel', 'import');
	importLink.setAttribute('href', 'Another_404.html');
	//importLink.setAttribute('async', '');

	importLink.addEventListener('error', function () {
		console.log('oops, wrong import');
	});
	document.head.appendChild(importLink);
});

</script>

</body>
</html>