带阴影dom的样式输入范围

Question

我需要设置input type range样式 - 更改输入的background-color，并更改滑块按钮(width, height, color的外观。到目前为止，我已设法更改输入的background-color，但我找不到选择滑块按钮的方法。我想它必须用shadow DOM完成，但无法弄清楚如何。

<input id="my-range" type="range">

#my-range {
    -webkit-appearance: none;
    background-color: #592A71;
    width: 45%;
    height:15px;
    margin:30px;
}

Here is the example

Answer 1

暗影你正在寻找can be found here，这是一个例子（从链接中复制）：

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input[type=range] {
    /*removes default webkit styles*/
    -webkit-appearance: none;
    
    /*fix for FF unable to apply focus style bug */
    border: 1px solid white;
    
    /*required for proper track sizing in FF*/
    width: 300px;
}
input[type=range]::-webkit-slider-runnable-track {
    width: 300px;
    height: 5px;
    background: #ddd;
    border: none;
    border-radius: 3px;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: goldenrod;
    margin-top: -4px;
}
input[type=range]:focus {
    outline: none;
}
input[type=range]:focus::-webkit-slider-runnable-track {
    background: #ccc;
}

input[type=range]::-moz-range-track {
    width: 300px;
    height: 5px;
    background: #ddd;
    border: none;
    border-radius: 3px;
}
input[type=range]::-moz-range-thumb {
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: goldenrod;
}

/*hide the outline behind the border*/
input[type=range]:-moz-focusring{
    outline: 1px solid white;
    outline-offset: -1px;
}

input[type=range]::-ms-track {
    width: 300px;
    height: 5px;
    
    /*remove bg colour from the track, we'll use ms-fill-lower and ms-fill-upper instead */
    background: transparent;
    
    /*leave room for the larger thumb to overflow with a transparent border */
    border-color: transparent;
    border-width: 6px 0;

    /*remove default tick marks*/
    color: transparent;
}
input[type=range]::-ms-fill-lower {
    background: #777;
    border-radius: 10px;
}
input[type=range]::-ms-fill-upper {
    background: #ddd;
    border-radius: 10px;
}
input[type=range]::-ms-thumb {
    border: none;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: goldenrod;
}
input[type=range]:focus::-ms-fill-lower {
    background: #888;
}
input[type=range]:focus::-ms-fill-upper {
    background: #ccc;
}

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<input id="my-range" type="range">

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Answer 2

挂在range input上的按钮称为拇指。这就是你选择它们的方式。

Webkit/Blink - input[type=range]::-webkit-slider-thumb
Firefox - input[type=range]::-moz-range-thumb
IE - input[type=range]::-ms-thumb

样品

/* Special styling for WebKit/Blink */
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  background: red;
}

/* All the same stuff for Firefox */
input[type=range]::-moz-range-thumb {
  background: red;
  cursor: pointer;
}

/* All the same stuff for IE */
input[type=range]::-ms-thumb {
  background: red;
  cursor: pointer;
}

<input id="my-range" type="range">

参考文献：

Css Tricks

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