Detecting any key press and triggering events in JavaScript

Key press

We can read which key is pressed by user by reading window event. We need to use onkeydown to get arrow keys status. Here is the sample code to read key press

<script language='JavaScript' type='text/JavaScript'>
document.onkeypress = function(key_dtl) {
 key_dtl = key_dtl || window.event; 
var uni_code = key_dtl.keyCode || key_dtl.which; 
var key_name = String.fromCharCode(uni_code); 
alert(key_name); 
}
</script>

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