在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("p").on({
    mouseover:function(){$("body").css("background-color","lightgray");},  
    mouseout:function(){$("body").css("background-color","lightblue");}, 
    click:function(){$("body").css("background-color","yellow");}  
  });
});
</script>
</head>
<body>

<p>Click or move the mouse pointer over this paragraph.</p>

</body>
</html>
源代码

动行结果
