JQuery - Sự kiện Keypress

Sự kiện Keypress

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Executing a Function on Keypress Event in jQuery</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<style>
    p{
        padding: 10px;
        background: lightgreen;
        display: none;
    }
    div{
        margin: 20px 0;
    }
</style>
<script>
$(document).ready(function(){
    var i = 0;
    $('input[type="text"]').keypress(function(){
        $("span").text(i += 1);
        $("p").show().fadeOut();
    });
});
</script>
</head>
<body>
    <input type="text">
    <div>Keypress: <span>0</span></div>
	<div><strong>Note:</strong> Enter something inside the input box and see the result.</div>
    <p>Keypress is triggered.</p>
</body>
</html>

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