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Trigger Button click on key stroke JavaScript

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Demo


Code
<html>
<head>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
$(document).keydown(function(event) {
if (event.which ==65) {
$('#butt').click();

}
});
$(document).ready(function(){
$("#butt").click(function()
{
alert('Man');
});

});
</script>
</head>
<body>
<button  id="butt" >Press A</button>

</body>
</html>
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