1. jQuery("#id").bind("click mouseover",function(){})  // 两个事件中间有空格   

 

$("p").on({

mouseover:function(){$("body").css("background-color","lightgray");}, 

mouseout:function(){$("body").css("background-color","lightblue");}, 

click:function(){$("body").css("background-color","yellow");} 

});