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[assert] element.previousElementSibling

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Witold Filipczyk 2024-04-28 15:59:52 +02:00
parent 62562daf19
commit 38fbd53795
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test/ecmascript/assert/element.previousElementSibling.html Normal file
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<!DOCTYPE html>
<html>
<body>
<p>Example list:</p>
<ul>
<li id="item1">Coffee (first li)</li>
<li id="item2">Tea (second li)</li>
</ul>
<p>Click the button to get the HTML content of the previous sibling of the second list item.</p>
<button onclick="myFunction()">Try it</button>
<p><strong>Note:</strong> The previousElementSibling property is not supported in IE8 and earlier versions.</p>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("item2").previousElementSibling.innerHTML;
console.assert(x === 'Coffee (first li)', 'li');
}
console.error("element.previousElementSibling.html");
myFunction();
console.exit(0);
</script>
</body>
</html>