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还是先贴代码吧

复制代码 代码如下:
<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <script src="/UploadFiles/2021-04-02/jquery.js">     </head>
<style>
body{font-family: "微软雅黑";width: 980px; margin: 0 auto; text-align: center;}
    .box{
        width: 300px;
        height: 300px;
        background: green;
        border: 1px solid #e6e6e6;
        margintop: 50px;
        line-height: 200px;
        position: absolute;
    }
button{
    border: none;
    background: green;   
    width: 100px;
    height: 50px;
    line-height: 50px;
    color: #fff;
    font-size: 16px;
    margin-top: 50px;
    }
</style>
    <body>
        <button>点击开始动画</button>
        <div class="box" ></div>
        <script>
            $(document).ready(function(){
              $("button").click(function(){
                var div=$(".box");
                div.animate({height:'200px',opacity:'0.4'},"slow");
                div.animate({width:'200px',opacity:'0.8'},"slow");
                div.animate({height:'100px',opacity:'0.4'},"slow");
                div.animate({width:'100px',opacity:'0.8'},"slow");
                div.animate({right:'100px',opacity:'0.8'},"slow");
                div.animate({bottom:'100px',opacity:'0.8'},"slow");
                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

小伙伴们对jQuery回调函数是否有了新的认识了呢,希望本文能给大家一些帮助。

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P70系列延期,华为新旗舰将在下月发布

3月20日消息,近期博主@数码闲聊站 透露,原定三月份发布的华为新旗舰P70系列延期发布,预计4月份上市。

而博主@定焦数码 爆料,华为的P70系列在定位上已经超过了Mate60,成为了重要的旗舰系列之一。它肩负着重返影像领域顶尖的使命。那么这次P70会带来哪些令人惊艳的创新呢?

根据目前爆料的消息来看,华为P70系列将推出三个版本,其中P70和P70 Pro采用了三角形的摄像头模组设计,而P70 Art则采用了与上一代P60 Art相似的不规则形状设计。这样的外观是否好看见仁见智,但辨识度绝对拉满。