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[assert] element.appendChild

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This commit is contained in:
Witold Filipczyk 2024-04-12 16:27:11 +02:00
parent 3f9af02ff6
commit 1435c2da92
1 changed files with 30 additions and 0 deletions
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test/ecmascript/assert/element.appendChild.html Normal file
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<!DOCTYPE html>
<html>
<body>
<ul id="myList">
<li>Coffee</li>
<li>Tea</li>
</ul>
<p>Click the button to append an item to the end of the list.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong><br>First create an LI node,<br> then create a Text node,<br> then append the Text node to the LI node.<br>Finally append the LI node to the list.</p>
<script>
function myFunction() {
var node = document.createElement("LI");
var textnode = document.createTextNode("Water");
node.appendChild(textnode);
document.getElementById("myList").appendChild(node);
console.assert(document.getElementsByTagName("UL")[0].outerHTML === '<UL id="myList">\n <LI>Coffee</LI>\n <LI>Tea</LI>\n<LI>Water</LI></UL>', 'Water');
}
console.error('element.appendChild.html');
myFunction();
console.exit(0);
</script>
</body>
</html>