gecko-dev/dom/base/test/jsmodules/test_toplevelModuleMemoizat...

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HTML

<!DOCTYPE html>
<meta charset=utf-8>
<title>Test toplevel modules are momoized and only loaded once</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script>
var results = [];
SimpleTest.waitForExplicitFinish();
function arrayEquals(a, b) {
if (a.length != b.length) {
return false;
}
for (let i = 0; i < a.length; i++) {
if (a[i] != b[i]) {
return false;
}
return true;
}
}
function testLoaded() {
ok(arrayEquals(results, [1]), 'Check execution order');
SimpleTest.finish();
}
</script>
<script type="module" src="module_simple1.js"></script>
<script type="module" src="module_simple1.js"></script>
<script type="module" src="module_simple1.js"></script>
<body onload='testLoaded()'></body>