【HTML+CSS+JavaScript】实现进度条功能

需求：实现进度条功能

 

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>进度条</title>
    <style type="text/css">
        .outter {
            margin:200px auto 0px;
            width: 600px;
            height: 40px;
            border: 1px solid pink;
        }
        .inner {
            height: 40px;
            width: 0%;
            background: pink;
        }
        .process {
            margin-top:2px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="outter">
        <div class="inner"></div>
    </div>

    <div class="process"></div>


    <script type="text/javascript">
        var innerEle = document.querySelector('.inner');
        var proEle = document.querySelector('.process');

        var m = 0;

        var timer = setInterval(function(){
            innerEle.style.width = m+'%';
            proEle.innerHTML = m+'%';

            if (m >= 100) {
                clearInterval(timer);
                return;
            }
            m += 1;
        },100)


    </script>
</body>
</html>

 

posted @ 2018-08-13 20:32  NeymarGoal  阅读(252)  评论(0)    收藏  举报