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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <meta charset=utf-8> |
| 3 <title>ParentNode.prepend</title> |
| 4 <link rel=help href="https://dom.spec.whatwg.org/#dom-parentnode-prepend"> |
| 5 <script src="../../../../resources/testharness.js"></script> |
| 6 <script src="../../../../resources/testharnessreport.js"></script> |
| 7 <script> |
| 8 |
| 9 function test_prepend(node, nodeName) { |
| 10 |
| 11 test(function() { |
| 12 var parent = node.cloneNode(); |
| 13 parent.prepend(); |
| 14 assert_array_equals(parent.childNodes, []); |
| 15 }, nodeName + '.prepend() without any argument, on a parent having no child.
'); |
| 16 |
| 17 test(function() { |
| 18 var parent = node.cloneNode(); |
| 19 parent.prepend(null); |
| 20 assert_equals(parent.childNodes[0].textContent, 'null'); |
| 21 }, nodeName + '.prepend() with null as an argument, on a parent having no ch
ild.'); |
| 22 |
| 23 test(function() { |
| 24 var parent = node.cloneNode(); |
| 25 parent.prepend(undefined); |
| 26 assert_equals(parent.childNodes[0].textContent, 'undefined'); |
| 27 }, nodeName + '.prepend() with undefined as an argument, on a parent having
no child.'); |
| 28 |
| 29 test(function() { |
| 30 var parent = node.cloneNode(); |
| 31 parent.prepend('text'); |
| 32 assert_equals(parent.childNodes[0].textContent, 'text'); |
| 33 }, nodeName + '.prepend() with only text as an argument, on a parent having
no child.'); |
| 34 |
| 35 test(function() { |
| 36 var parent = node.cloneNode(); |
| 37 var x = document.createElement('x'); |
| 38 parent.prepend(x); |
| 39 assert_array_equals(parent.childNodes, [x]); |
| 40 }, nodeName + '.prepend() with only one element as an argument, on a parent
having no child.'); |
| 41 |
| 42 test(function() { |
| 43 var parent = node.cloneNode(); |
| 44 var child = document.createElement('test'); |
| 45 parent.appendChild(child); |
| 46 parent.prepend(null); |
| 47 assert_equals(parent.childNodes[0].textContent, 'null'); |
| 48 assert_equals(parent.childNodes[1], child); |
| 49 }, nodeName + '.prepend() with null as an argument, on a parent having a chi
ld.'); |
| 50 |
| 51 test(function() { |
| 52 var parent = node.cloneNode(); |
| 53 var x = document.createElement('x'); |
| 54 var child = document.createElement('test'); |
| 55 parent.appendChild(child); |
| 56 parent.prepend(x, 'text'); |
| 57 assert_equals(parent.childNodes[0], x); |
| 58 assert_equals(parent.childNodes[1].textContent, 'text'); |
| 59 assert_equals(parent.childNodes[2], child); |
| 60 }, nodeName + '.prepend() with one element and text as argument, on a parent
having a child.'); |
| 61 } |
| 62 |
| 63 test_prepend(document.createElement('div'), 'Element'); |
| 64 test_prepend(document.createDocumentFragment(), 'DocumentFrgment'); |
| 65 </script> |
| 66 </html> |
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Chromium Code Reviews
Issue 1529523002:
Import dom/ from web-platform-tests (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master