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拖动选择控件自定义样式

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为什么要用input[type=range], 而不是div+touch事件模拟?#

  • 性能考量(拖拽的性能要比模拟的好一些)
  • 工作量考虑(改改样式就好了)
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<!DOCTYPE html>
<html>
<head>
<style>
body{padding-top: 30px;}
input[type=range]{
    -webkit-appearance: none;
    outline: none;
    width: 478px;
    zoom: 0.5;
}
input[type=range]::-webkit-slider-runnable-track {
    -webkit-appearance: none;
    height: 4px;
    background: #dddddd;
    background: -webkit-linear-gradient(left, #ffa42f 0%, #ffa42f 30%, #dddddd 30%)
}
::-webkit-slider-thumb {
    -webkit-appearance: none;
    border-radius: 20px;
    height: 20px;
    width: 20px;
    border-radius: 20px;
    background: #ffa42f;
    box-shadow: 0 0 0 10px rgba(255,164,47,0.5);
    margin-top: -8px;
}
</style>
</head>
<body>
    <input type="range" value="30"/>
</body>
</html>