| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Element.prototype.removeAttribute</title> |
| <link rel=help href="https://dom.spec.whatwg.org/#dom-element-removeattribute"> |
| <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> |
