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attribute-add-using-jquery.html
<html>
<head>
<script src="https://code.jquery.com/jquery-git.js"></script>
<meta charset="utf-8">
<title>Attribute add using jQuery</title>
</head>
<body>
First name: <input id="name" type="text" name="fname" >
<input id="button1" type="button" value="Click to Add an Attribute" />
</body>
<script>
$(document).ready(function(){
$('#button1').click(function(){
$('#name').prop('value', 'input your name here');
});
});
</script>
</html>