自制滑杆

1 <div id="d2">
2   <p>自制可拖动滑块:</p>
3   <div id="out">
4     <div id="filling"> </div>
5     <div id="innerimg"></div>
6   </div>
7   <p id="txt">音量：0</p>
8  </div>

 1 #out {/* 滑块轨道 */
 2     position: relative;
 3     width: 160px;
 4     height: 12px;
 5     margin-top: 10px;
 6     margin-left: 0px;
 7     border: 1px solid #28C561;
 8     border-radius: 10px;
 9     box-shadow: 1px 1px 2px 0px inset;/* 轨道内阴影 */
10     cursor: pointer;
11 }
12 #filling {/* 填充物 */
13     height: 100%;
14     margin-left: 0px;
15     width: 0px;
16     background: linear-gradient(to right, #0089ff , #00fff3); /* 填充效果的渐变 */
17     background: -webkit-linear-gradient(left, #0089ff , #00fff3);
18     background: -o-linear-gradient(right, #0089ff , #00fff3);
19     background: -moz-linear-gradient(right, #0089ff , #00fff3);
20     border-top-left-radius: 10px;
21     border-bottom-left-radius: 10px;
22     box-shadow: 2px -1px 5px 1px inset;
23 }
24 #innerimg {/* 滑块样式 */
25     position: absolute;
26     left: 0px;
27     top: -8px;
28     margin-left: 0px;
29     width: 25px;
30     height: 25px;
31     cursor: pointer;
32     background-color: #66F40E;
33     border-radius: 50%;
34     box-shadow: 0px 2px 1px 0px #0d11128a, 0px -1px 19px rgba(0, 0, 0, 0.9) inset; /* 使滑块具有3D感 */
35 }

1 var innerpro = document.getElementById(‘innerimg‘)
2 var out = document.getElementById(‘out‘)
3 var filling = document.getElementById(‘filling‘)
4 var txt = document.getElementById(‘txt‘)
5 var target

 1 function dvnamicprogress () {
 2   /**
 3    * @author Qiang
 4    * @function dvnamicprogress -- 滑杆
 5    */
 6   if (document.addEventListener) {
 7     /* addEventListener属性IE9.0才支持 */
 8     out.addEventListener(‘click‘, fillingClick, false)
 9   } else if (document.attachEvent) {
10     out.attachEvent(‘click‘, fillingClick, false)
11   }
12 }

 1 function fillingClick (event) {
 2  2   event.stopPropagation()
 3  3   if (event.touches) {
 4  4     target = event.touches[0]
 5  5   } else {
 6  6     target = event || window.event
 7  7   }/* 兼容移动端，但是发现没有兼容ie8及以下…… */
 8  8   var sliderLeft = target.clientX - 45  /* 减去的45=滑块的宽度25+整天滑杆距离视图左边框的距离20 */
 9  9   var fillingWidth = target.clientX - 45
10 10   if (sliderLeft <= 0) {
11 11     sliderLeft = 0
12 12   }/* filling的宽度不能小于0，滑块的位置不能超出out左边界 */
13 13   if (fillingWidth <= 0) {
14 14     fillingWidth = 0
15 15   }
16 16   txt.innerHTML = ‘音量：‘ + parseInt(sliderLeft / 135 * 100)
17 17   innerpro.style.left = sliderLeft + ‘px‘
18 18   filling.style.width = fillingWidth + 5 + ‘px‘
19 19   // console.log(‘鼠标的位置：X=>‘ + target.clientX + ‘, Y=>‘ + target.clientY)
20 20   // console.log(‘滑块的位置：‘ + sliderLeft)
21 21 }

 1 function dvnamicprogress () {
 2   /**
 3    * @author Qiang
 4    * @function dvnamicprogress -- 滑杆
 5    */
 6   if (document.addEventListener) {
 7     /* addEventListener属性IE9.0才支持 */
 8     out.addEventListener(‘click‘, fillingClick, false)
 9     innerpro.addEventListener(‘touchstart‘, fillingMove, {passive: true}, false)
10     innerpro.addEventListener(‘mousedown‘, fillingMove, false)
11   } else if (document.attachEvent) {
12     out.attachEvent(‘click‘, fillingClick, false)
13     innerpro.attachEvent(‘touchstart‘, fillingMove, {passive: true}, false)
14     innerpro.attachEvent(‘mousedown‘, fillingMove, false)
15   }
16 }

 1 function fillingMove (event) {
 2   /* addEventListener属性IE9.0才支持 */
 3   if (document.addEventListener) {
 4     innerpro.addEventListener(‘touchmove‘, sliderMove, {passive: true}, false)
 5     document.addEventListener(‘mousemove‘, sliderMove, false)
 6     document.addEventListener(‘mouseup‘, clear, false)
 7   } else if (document.attachEvent) {
 8     innerpro.attachEvent(‘touchmove‘, sliderMove, {passive: true}, false)
 9     document.attachEvent(‘mousemove‘, sliderMove, false)
10     document.attachEvent(‘mouseup‘, clear, false)
11   }
12 }

 1 function sliderMove (event) {
 2   if (event.touches) {
 3     target = event.touches[0]
 4   } else {
 5     target = event || window.event
 6   }
 7   // console.log(‘鼠标的位置：X=>‘ + target.clientX + ‘, Y=>‘ + target.clientY)
 8   var prolong = target.clientX - 45
 9   if (prolong < 0) {
10     prolong = 0
11   } else if (prolong > 135) {
12     prolong = 135
13   }
14   txt.innerHTML = ‘音量：‘ + parseInt(prolong / 135 * 100)
15   filling.style.width = prolong + 5 + ‘px‘
16   innerpro.style.left = prolong + ‘px‘
17 }

 1 function clear () {
 2   if (document.addEventListener) {
 3     document.removeEventListener(‘mousemove‘, sliderMove, false)
 4     document.removeEventListener(‘mousedown‘, fillingMove, false)
 5   } else if (document.attachEvent) {
 6     document.attachEvent(‘mousemove‘, sliderMove, false)
 7     document.attachEvent(‘mousedown‘, fillingMove, false)
 8   }
 9 }
10 window.onload = function () {
11   staticProgress()
12   dvnamicprogress()
13 }