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<html><body><p>A function is triggered when the user is pressing a key in the input field.</p><input type="text" onkeypress="myFunction()"><script>function myFunction() { alert("You pressed a key inside the input field");}</script></body><!-- Mirrored from www.w3schools.com/tags/tryit.asp?filename=tryhtml5_ev_onkeypress by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:34:18 GMT --></html>