Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Document-getElementsByClassName.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Document.getElementsByClassName</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
var a = document.createElement("a"),
b = document.createElement("b");
a.className = "foo";
this.add_cleanup(function() {document.body.removeChild(a);});
document.body.appendChild(a);
var l = document.getElementsByClassName("foo");
assert_true(l instanceof HTMLCollection);
assert_equals(l.length, 1);
b.className = "foo";
document.body.appendChild(b);
assert_equals(l.length, 2);
document.body.removeChild(b);
assert_equals(l.length, 1);
}, "getElementsByClassName() should be a live collection");
</script>