How to use DOM Object GetElementByTagName in JavaScript
In this article I am going to explain about DOM Object GetElementByTagName() Method inJavaScript.
JavaScript DOM Object GetElementByTagName() Method
JavaScript getElementByTagName() method use for return multiple element with particular tag name in document.
Syntax
document.getElementByTagName("Tag Name")
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Example
<html>
<head>
<script type="text/javascript">
function myfun() {
document.getElementsByTagName("h4")[0].innerHTML = "Hello Friends";
};
</script>
</head>
<body>
<h4 id="demo">
click butto for change this content</h4>
<button onclick="myfun()">
click me</button>
</body>
</html>
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Output
Before Click button
After click button
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