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33 lines
744 B
HTML
33 lines
744 B
HTML
<!DOCTYPE html>
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<html>
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<body>
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<ul id="myList">
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<li>Coffee</li>
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<li>Tea</li>
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</ul>
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<p>Click the button to see if the ul element has any child nodes.</p>
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<button onclick="myFunction()">Try it</button>
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<p>Try removing the child nodes of the list element, and the result will be false instead of true.</p>
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<p><strong>Note:</strong> Whitespace inside a node is considered as text nodes, so if you leave any white space or line feeds inside an element, that element still has child nodes.</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 a = document.getElementById("myList").hasChildNodes();
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console.assert(a, 'True');
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}
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console.error('element.hasChildNodes.html');
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myFunction();
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console.exit();
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</script>
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</body>
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</html>
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