2021-05-14 15:49:56 -04:00
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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.democlass {
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color: red;
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}
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</style>
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</head>
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<body>
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<h1 class="democlass">Hello World</h1>
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<p>Click the button to display the value of the class attribute node of the h1 element.</p>
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<button onclick="myFunction()">Try it</button>
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<p id="demo"></p>
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<script>
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function myFunction() {
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var elmnt = document.getElementsByTagName("H1")[0];
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var attr = elmnt.getAttributeNode("class").value;
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2021-11-10 12:05:35 -05:00
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window.alert(attr);
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2021-05-14 15:49:56 -04:00
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}
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</script>
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</body>
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</html>
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