jQuery ??? ??? keypress() ???
keypress ???
?? ? ???
keypress ???? keydown ???? ?????. ? ???? ??? ??? ? ?????. ?? ???? ?? ???? ?????.
??? keydown ???? ?? ??? ??? ??? keypress ???? ?????.
keypress() ???? keypress ???? ??????, keypress ???? ??? ? ??? ??? ?????.
??: ?? ??? ??? ?? ??? ???? ??? ??? ???? ? ???? ?????.
Syntax
$("").keypress()
??? ???????:
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
</head>
<body>
Enter your name: <input type="text" />
<p>Keypresses:<span>0</span></p>
<script type="text/javascript">
i=0;
$("input").keypress(function(){
$("span").text(i+=1);
});
</script>
</body>
</html>
