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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Element-setAttribute.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Element.prototype.setAttribute</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
test(() => {
const el = document.createElement("p");
el.setAttributeNS("foo", "x", "first");
el.setAttributeNS("foo2", "x", "second");
el.setAttribute("x", "changed");
assert_equals(el.attributes.length, 2);
assert_equals(el.getAttribute("x"), "changed");
assert_equals(el.getAttributeNS("foo", "x"), "changed");
assert_equals(el.getAttributeNS("foo2", "x"), "second");
}, "setAttribute should change the first attribute, irrespective of namespace");
test(() => {
const el = document.createElement("p");
el.setAttribute("FOO", "bar");
assert_equals(el.getAttribute("foo"), "bar");
assert_equals(el.getAttribute("FOO"), "bar");
assert_equals(el.getAttributeNS("", "foo"), "bar");
assert_equals(el.getAttributeNS("", "FOO"), null);
}, "setAttribute should lowercase before setting");
</script>