namednodemap-supported-property-names.html

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This WPT test may be referenced by the following Test IDs:
- /dom/collections/namednodemap-supported-property-names.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<meta charset=utf-8>

<title>NamedNodeMap Test: Supported property names</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<div id="simple" class="fancy">Simple</div>

<input id="result" type="text" value="" width="200px">

<script>

test(function() {

    var elt = document.querySelector('#simple');

    assert_array_equals(Object.getOwnPropertyNames(elt.attributes),

        ['0','1','id','class']);

}, "Object.getOwnPropertyNames on NamedNodeMap");

test(function() {

    var result = document.getElementById("result");

    assert_array_equals(Object.getOwnPropertyNames(result.attributes),

        ['0','1','2','3','id','type','value','width']);

}, "Object.getOwnPropertyNames on NamedNodeMap of input");

test(function() {

    var result = document.getElementById("result");

    result.removeAttribute("width");

    assert_array_equals(Object.getOwnPropertyNames(result.attributes),

        ['0','1','2','id','type','value']);

}, "Object.getOwnPropertyNames on NamedNodeMap after attribute removal");

</script>