2024-04-12 13:51:50 -04:00
|
|
|
<!DOCTYPE html>
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<style>
|
|
|
|
|
.democlass {
|
|
|
|
|
color: red;
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
|
|
|
</head>
|
|
|
|
|
<body>
|
|
|
|
|
<h1 class="democlass">Hello World</h1>
|
|
|
|
|
<p>Click the button to display the value of the class attribute node of the h1 element.</p>
|
|
|
|
|
<button onclick="myFunction()">Try it</button>
|
|
|
|
|
<p id="demo"></p>
|
|
|
|
|
<script>
|
|
|
|
|
function myFunction() {
|
|
|
|
|
var elmnt = document.getElementsByTagName("H1")[0];
|
|
|
|
|
var attr = elmnt.getAttributeNode("class").value;
|
|
|
|
|
console.assert(attr === 'democlass', 'democlass');
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
console.error('element.getAttributeNode.html');
|
|
|
|
|
myFunction();
|
2024-06-01 07:30:03 -04:00
|
|
|
console.exit();
|
2024-04-12 13:51:50 -04:00
|
|
|
</script>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
