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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../../../resources/testharness.js"></script> |
| 3 <script src="../../../resources/testharnessreport.js"></script> |
| 4 <script> |
| 5 |
| 6 function test_prepend(node, nodeName) { |
| 7 |
| 8 test(function() { |
| 9 var parent = node.cloneNode(); |
| 10 parent.prepend(); |
| 11 assert_equals(parent.childNodes.length, 0); |
| 12 assert_array_equals(parent.childNodes, []); |
| 13 }, nodeName + '.prepend() without any argument, on a parent having no child.
'); |
| 14 |
| 15 test(function() { |
| 16 var parent = node.cloneNode(); |
| 17 parent.prepend(null); |
| 18 assert_equals(parent.childNodes.length, 1); |
| 19 assert_equals(parent.childNodes[0].textContent, 'null'); |
| 20 }, nodeName + '.prepend() with null as an argument, on a parent having no ch
ild.'); |
| 21 |
| 22 test(function() { |
| 23 var parent = node.cloneNode(); |
| 24 parent.prepend(undefined); |
| 25 assert_equals(parent.childNodes.length, 1); |
| 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.length, 1); |
| 33 assert_equals(parent.childNodes[0].textContent, 'text'); |
| 34 }, nodeName + '.prepend() with only text as an argument, on a parent having
no child.'); |
| 35 |
| 36 test(function() { |
| 37 var parent = node.cloneNode(); |
| 38 var x = document.createElement('x'); |
| 39 parent.prepend(x); |
| 40 assert_equals(parent.childNodes.length, 1); |
| 41 assert_array_equals(parent.childNodes, [x]); |
| 42 }, nodeName + '.prepend() with only one element as an argument, on a parent
having no child.'); |
| 43 |
| 44 test(function() { |
| 45 var parent = node.cloneNode(); |
| 46 var child = document.createElement('test'); |
| 47 parent.appendChild(child); |
| 48 parent.prepend(null); |
| 49 assert_equals(parent.childNodes.length, 2); |
| 50 assert_equals(parent.childNodes[0].textContent, 'null'); |
| 51 assert_equals(parent.childNodes[1], child); |
| 52 }, nodeName + '.prepend() with null as an argument, on a parent having a chi
ld.'); |
| 53 |
| 54 test(function() { |
| 55 var parent = node.cloneNode(); |
| 56 var x = document.createElement('x'); |
| 57 var child = document.createElement('test'); |
| 58 parent.appendChild(child); |
| 59 parent.prepend(x, 'text'); |
| 60 assert_equals(parent.childNodes.length, 3); |
| 61 assert_equals(parent.childNodes[0], x); |
| 62 assert_equals(parent.childNodes[1].textContent, 'text'); |
| 63 assert_equals(parent.childNodes[2], child); |
| 64 }, nodeName + '.prepend() with one element and text as argument, on a parent
having a child.'); |
| 65 } |
| 66 |
| 67 test_prepend(document.createElement('div'), 'Element'); |
| 68 test_prepend(document.createDocumentFragment(), 'DocumentFrgment'); |
| 69 </script> |
| 70 </html> |
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Chromium Code Reviews
Issue 1085843002:
Implement DOM: prepend, append, before, after & replaceWith (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master