Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
- This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Element-removeAttribute.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>Element.prototype.removeAttribute</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";
test(() => {
const el = document.createElement("p");
el.setAttribute("x", "first");
el.setAttributeNS("foo", "x", "second");
assert_equals(el.attributes.length, 2);
assert_equals(el.getAttribute("x"), "first");
assert_equals(el.getAttributeNS(null, "x"), "first");
assert_equals(el.getAttributeNS("foo", "x"), "second");
// removeAttribute removes the first attribute with name "x" that
// we set on the element, irrespective of namespace.
el.removeAttribute("x");
// The only attribute remaining should be the second one.
assert_equals(el.getAttribute("x"), "second");
assert_equals(el.getAttributeNS(null, "x"), null);
assert_equals(el.getAttributeNS("foo", "x"), "second");
assert_equals(el.attributes.length, 1, "one attribute");
}, "removeAttribute should remove the first attribute, irrespective of namespace, when the first attribute is " +
"not in a namespace");
test(() => {
const el = document.createElement("p");
el.setAttributeNS("foo", "x", "first");
el.setAttributeNS("foo2", "x", "second");
assert_equals(el.attributes.length, 2);
assert_equals(el.getAttribute("x"), "first");
assert_equals(el.getAttributeNS("foo", "x"), "first");
assert_equals(el.getAttributeNS("foo2", "x"), "second");
// removeAttribute removes the first attribute with name "x" that
// we set on the element, irrespective of namespace.
el.removeAttribute("x");
// The only attribute remaining should be the second one.
assert_equals(el.getAttribute("x"), "second");
assert_equals(el.getAttributeNS("foo", "x"), null);
assert_equals(el.getAttributeNS("foo2", "x"), "second");
assert_equals(el.attributes.length, 1, "one attribute");
}, "removeAttribute should remove the first attribute, irrespective of namespace, when the first attribute is " +
"in a namespace");
</script>