html运行实例（jquery_effect_show

代码示例：（标识：jquery_effect_show_hide）

<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  $(".btn1").click(function(){
  $("p").hide();
  });
  $(".btn2").click(function(){
  $("p").show();
  });
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<button class="btn1">Hide</button>
<button class="btn2">Show</button>
</body>
</html>