div.animate({left:’100px’,opacity:’0.8′},”slow”);
div.animate({top:’100px’,opacity:’0.8′},”slow”,function(){
alert(“The paragraph is over”);
});
});
});
</script>
<script>
$(document).ready(function(){
$(“button”).click(function(){
var div=$(“.box”);
div.animate({height:’300px’,opacity:’0.4′},”slow”);
div.animate({width:’300px’,opacity:’0.8′},”slow”);
div.animate({height:’100px’,opacity:’0.4′},”slow”);
div.animate({width:’100px’,opacity:’0.8′},”slow”,function(){
alert(“The paragraph is over”);
});
});
});
});
</script>
</body>
</html>
所谓的回调函数，其实就是在 speed 或 duration 参数可以设置许多不同的值，比如 “slow”, “fast”, “normal” 或毫秒 后面再添加函数，显示相对应的内容，以提示网民
