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原生JS编写了个简易进度条,还请各位前辈指教~

时间:2018-06-03 23:45:05      阅读:222      评论:0      收藏:0      [点我收藏+]

标签:学习   get   auto   enter   radius   round   image   linear   ati   

刚开始学习JS不久,以及第一次来到博客园,第一次进行分享博文。。。

噢,不对,不能说是分享,而是学习请教,请前辈多多指教,各个方面都可以~

感谢您的路过~

技术分享图片

 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <style type="text/css">
            .boxs{width:800px;margin:100px auto;}
            .box{width:800px;background:grey;border-radius:4px;position:relative;height:34px;float:left;}
            .rate{position:absolute;border-radius:4px;top:-35px;}
            .rate div:nth-of-type(1){line-height:25px;width:34px;background:black;border-radius:3px;color:white;text-align: center;font-size: 12px;}
            .rate div:nth-of-type(2){border:6px solid transparent;border-top-color:black;width:0px;position:absolute;left:11px}
            #box1{height:16px;position:absolute;background:blue;margin-top: 9px;left:17px;z-index:2;}
            .sign{border:8px solid transparent;border-left-color:black;width:0px;margin-top: 9px;z-index:2;position:relative;left:17px;}
            .dashed{width: 756px;height: 2px;background-image: linear-gradient(to right, #fff 0%, #fff 55%, transparent 50%);background-size: 12px 2px;background-repeat: repeat-x;position:absolute;top:16px;z-index:1;left:17px;}
        </style>
        <script type="text/javascript">
            window.onload=function(){
                var rate=document.getElementsByClassName("rate")[0];
                var rate1=rate.firstElementChild;
                rate1.innerHTML="0%";
                var box1_l=document.getElementById("box1");
                var sign_l=document.getElementsByClassName("sign")[0];
                
                var bottom_rate=document.getElementsByClassName("dashed")[0];
                var length_brate=bottom_rate.offsetWidth;
                
                var speed=1;
                function move(){
                    box1_l.style.width=box1_l.offsetWidth+speed+‘px‘;
                    sign_l.style.left=sign_l.offsetLeft+speed+‘px‘;
                    rate.style.left=rate.offsetLeft+speed+‘px‘;
                    
                    if(rate1.innerHTML!="100%"){
                        rate1.innerHTML=parseInt(parseInt(box1_l.style.width)/length_brate*100)+‘%‘;
                    }else{
                        clearInterval(rate_1);
                    }
                }
                var rate_1=setInterval(move,20);
            }
        </script>
    </head>
    <body>
        <div class="boxs">
            <div class="box">
                <div class="rate">
                    <div></div>
                    <div></div>
                </div>
                <div id="box1"></div>
                <div class="sign"></div>
                <div class="dashed"></div>
            </div>
        </div>
    </body>
</html>

 

原生JS编写了个简易进度条,还请各位前辈指教~

标签:学习   get   auto   enter   radius   round   image   linear   ati   

原文地址:https://www.cnblogs.com/mycognos/p/9130906.html

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