A Pen by Edward Lance Lorilla on CodePen.
Created
May 17, 2021 15:50
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JavaScript implements draggable progress bar
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| <body> | |
| <ul style='width:100%;margin-top:15rem;'> | |
| <li> | |
| <div class = 'box'> | |
| <div class="scale" id="bar"> | |
| <div></div> | |
| <span id="btn"></span> | |
| </div> | |
| </div> | |
| <div class='boxDesc'> | |
| <span id="title">0</span> | |
| </div> | |
| </li> | |
| </ul> |
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| scale=function (btn,bar,title){ | |
| this.btn=document.getElementById(btn); | |
| this.bar=document.getElementById(bar); | |
| this.title=document.getElementById(title); | |
| this.step=this.bar.getElementsByTagName("DIV")[0]; | |
| this.init(); | |
| }; | |
| scale.prototype={ | |
| init:function (){ | |
| var f=this,g=document,b=window,m=Math; | |
| f.btn.onmousedown=function (e){ | |
| var x=(e||b.event).clientX; | |
| var l=this.offsetLeft; | |
| var max=f.bar.offsetWidth-this.offsetWidth; | |
| g.onmousemove=function (e){ | |
| var thisX=(e||b.event).clientX; | |
| var to=m.min(max,m.max(-2,l+(thisX-x))); | |
| f.btn.style.left=to+'px'; | |
| f.ondrag(m.round(m.max(0,to/max)*100),to); | |
| b.getSelection ? b.getSelection().removeAllRanges() : g.selection.empty(); | |
| }; | |
| g.onmouseup=new Function('this.nmusemve=null'); | |
| }; | |
| }, | |
| ondrag:function (pos,x){ | |
| this.step.style.width=Math.max(0,x)+'px'; | |
| this.title.innerHTML=pos+'%'; | |
| } | |
| } | |
| new scale('btn','bar','title'); |
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| body{ | |
| margin:50px; ; | |
| } | |
| .box { | |
| width:49%; | |
| hegiht:3rem; | |
| line-height:3rem; | |
| float:left; | |
| } | |
| .boxDesc { | |
| width:50%; | |
| hegiht:3rem; | |
| line-height:0.3rem; | |
| float:left; | |
| } | |
| .scale span{ | |
| background:url(scroll.gif) no-repeat; | |
| width:8px; | |
| height:16px; | |
| position:absolute; | |
| left:-2px; | |
| top:-5px; | |
| cursor:pointer; | |
| } | |
| .scale{ background-repeat: repeat-x; background-position: 0 100%; background-color: #E4E4E4; border-left: 1px #83BBD9 solid; width: 100%; height: 10px; position: relative; font-size: 0px; border-radius: 3px; } | |
| .scale div{ background-repeat: repeat-x; background-color: green; position: absolute; height: 10px; left: 0; bottom: 0; } | |
| li{ | |
| font-size:12px; | |
| line-height:50px; | |
| position:relative; | |
| height:50px; | |
| list-style:none; | |
| } |
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