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31 lines
771 B
HTML
31 lines
771 B
HTML
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<!DOCTYPE html>
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<html>
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<body>
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<p>Example list:</p>
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<ul><li id="item1">Coffee (first li)</li><li id="item2">Tea (second li)</li></ul>
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<p>Click the button to get the HTML content of the previous sibling of the second list item.</p>
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<button onclick="myFunction()">Try it</button>
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<p><strong>Note:</strong> Whitespace inside elements is considered as text, and text
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is considered as nodes.</p>
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<p>If you add whitespace between the two li elements, the result will be "undefined".</p>
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<p id="demo"></p>
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<script>
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function myFunction() {
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var x = document.getElementById("item2").previousSibling.innerHTML;
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console.assert(x === 'Coffee (first li)', 'Coffee');
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}
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console.error("element.previousSibling.html");
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myFunction();
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console.exit(0);
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</script>
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</body>
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</html>
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