keydown

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jquery keydown() ??? ???

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jquery keydown() ??? ?

<html>
<head>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  $("input").keydown(function(){
    $("input").css("background-color","#FFFFCC");
  });
  $("input").keyup(function(){
    $("input").css("background-color","#D6D6FF");
  });
});
</script>
</head>
<body>
Enter your name: <input type="text" />
<p>當發(fā)生 keydown 和 keyup 事件時，輸入域會改變顏色。請試著在其中輸入內容。</p>
</body>
</html>
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