How to create new attribute node to an element with Document.createAttribute() in JavaScript

2 Answers

<!DOCTYPE html>
<html>
<head>
<style>
.seth1color {
    color: blue;
}
</style>
</head>
<body>
<h1>New Attr</h1>
<button onclick="SetAttr()">Create Attr</button>

<script type="text/JavaScript"> 
function SetAttr() 
{
    var attr = document.createAttribute("class");
    attr.value = "seth1color";
    var h1 = document.getElementsByTagName("H1")[0];
    h1.setAttributeNode(attr); 
}

/*
run:

New Attr
*/

</script>

</body>
</html>

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answered Jun 12, 2016 by avibootz

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How to create new attribute node to an element with Document.createAttribute() in JavaScript

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