58 lines
2.1 KiB
HTML
58 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Element.prototype.removeAttribute</title>
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<link rel=help href="https://dom.spec.whatwg.org/#dom-element-removeattribute">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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"use strict";
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test(() => {
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const el = document.createElement("p");
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el.setAttribute("x", "first");
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el.setAttributeNS("foo", "x", "second");
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assert_equals(el.attributes.length, 2);
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assert_equals(el.getAttribute("x"), "first");
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assert_equals(el.getAttributeNS(null, "x"), "first");
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assert_equals(el.getAttributeNS("foo", "x"), "second");
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// removeAttribute removes the first attribute with name "x" that
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// we set on the element, irrespective of namespace.
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el.removeAttribute("x");
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// The only attribute remaining should be the second one.
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assert_equals(el.getAttribute("x"), "second");
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assert_equals(el.getAttributeNS(null, "x"), null);
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assert_equals(el.getAttributeNS("foo", "x"), "second");
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assert_equals(el.attributes.length, 1, "one attribute");
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}, "removeAttribute should remove the first attribute, irrespective of namespace, when the first attribute is " +
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"not in a namespace");
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test(() => {
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const el = document.createElement("p");
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el.setAttributeNS("foo", "x", "first");
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el.setAttributeNS("foo2", "x", "second");
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assert_equals(el.attributes.length, 2);
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assert_equals(el.getAttribute("x"), "first");
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assert_equals(el.getAttributeNS("foo", "x"), "first");
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assert_equals(el.getAttributeNS("foo2", "x"), "second");
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// removeAttribute removes the first attribute with name "x" that
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// we set on the element, irrespective of namespace.
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el.removeAttribute("x");
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// The only attribute remaining should be the second one.
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assert_equals(el.getAttribute("x"), "second");
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assert_equals(el.getAttributeNS("foo", "x"), null);
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assert_equals(el.getAttributeNS("foo2", "x"), "second");
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assert_equals(el.attributes.length, 1, "one attribute");
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}, "removeAttribute should remove the first attribute, irrespective of namespace, when the first attribute is " +
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"in a namespace");
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</script>
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