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>