Im just learning javascript and want to make a code for a prank on my friend. I want it that when i plug in a certain usb it will pop up a fake virus alert after a couple of seconds, and when you exit off it will pull back up the alert a couple more seconds, and will keep doing it untill you take out the usb, but all i have is this.

    <button onclick="itsjustajokebro()">pop up</button> <script>
    function itsjustajokebro() {
      alert("Virus Alert");
    }   
</script> 
</body> 
</html>

My knowledge is limited and I need alot of help, like how to make it run with no button, and how to put it on usb.

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That will take more than code. Today's Windows no longer autorun code when a stick or other media is plugged in.

Why? Because it became an all too easy infection vector.

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That will take more than code. Today's Windows no longer autorun code when a stick or other media is plugged in.

Why? Because it became an all too easy infection vector.

i got more done on the code but cant make it loop

    ``<script>
    (function autorun()
    { 

        itsjustajokebro();

    })();
    function itsjustajokebro() {
  setTimeout(function(){ alert("Virus Alert"); }, 3000);
    }   
</script> 
</body> 
</html>

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