原生JS编写了个简易进度条,还请各位前辈指教~
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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~
<!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>
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