How to use DOM Object GetElementByTagNameNs in JavaScript
In this article I am going to explain about DOM Object GetElementByTagNameNS() Method in JavaScript.
JavaScript DOM Object GetElementByTagNameNS() Method
JavaScript getElementByTagNameNS() method use for return multiple element with particular tag name in document and with specified Namespace.
Syntax
document.getElementByTagName("Url name","Tag Name")
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Example // In this example when you will click on button then button text will be display in text form.
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<script type="text/javascript">
function myfun() {
var mm = document.getElementsByTagNameNS("http://www.w3.org/1999/xhtml", "button");
var butText = mm[0].childNodes[0].nodeValue;
document.getElementById("dmm").innerHTML = butText;
};
</script>
</head>
<body>
<h3 id="dmm" style="color: Blue">
click button for display button text</h3>
<button onclick="myfun()">
click me</button>
</body>
</html>
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Output
Before Click button
After click button
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