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in-range CSS 伪类 代表一个 <input> 元素,其当前值处于属性minmax 限定的范围之内.
/* 该伪类可选定任意的<input>, 但只有在该元素指定了取值范围,并且元素值处于指定范围时才有效*/
input:in-range {
  background-color: rgba(0, 255, 0, 0.25);
}

该伪类用于给用户一个可视化的提示,表示输入域的当前值处于允许范围内。

注意:该伪类仅适用于那些拥有(或可以接受)取值范围设定的元素。若缺少此类设定,元素值就无所谓“in-range”和“out-range”。

语法

:in-range

示例

HTML

<form action="" id="form1">
  <ul>Values between 1 and 10 are valid.
    <li>
      <input id="value1" name="value1" type="number" placeholder="1 to 10" min="1" max="10" value="12">
      <label for="value1">Your value is </label>
    </li>
  </ul>
</form>

CSS

li {
  list-style: none;
  margin-bottom: 1em;
}

input {
  border: 1px solid black;
}

input:in-range {
  background-color: rgba(0, 255, 0, 0.25);
}

input:out-of-range {
  background-color: rgba(255, 0, 0, 0.25);
  border: 2px solid red;
}

input:in-range + label::after {
  content: 'okay.';
}

input:out-of-range + label::after {
  content: 'out of range!';
}

结果

规范

规范 状态 备注
HTML Living Standard
:in-range
Living Standard Defines when :in-range matches elements in HTML.
Selectors Level 4
:in-range
Working Draft Initial specification.

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 10
Notes
Full support 10
Notes
Notes Before Chrome 52, :in-range matched disabled and read-only inputs (see Chromium bug 602568). In Chrome 52, it was changed to only match enabled read-write inputs.
Edge Full support YesFirefox Full support 29
Notes
Full support 29
Notes
Notes Before Firefox 50, :in-range matched disabled and read-only inputs (see bug 1264157). In Firefox 50, it was changed to only match enabled read-write inputs.
IE No support NoOpera Full support 11
Notes
Full support 11
Notes
Notes Before Opera 39, :in-range matched disabled and read-only inputs (see Chromium bug 602568). In Opera 39, it was changed to only match enabled read-write inputs.
Safari Full support Yes
Notes
Full support Yes
Notes
Notes In Safari, :in-range matched disabled and read-only inputs (see bug 156530). It was later changed to only match enabled read-write inputs.
WebView Android Full support 2.3
Notes
Full support 2.3
Notes
Notes Before version 52, :in-range matched disabled and read-only inputs (see Chromium bug 602568). In version 52, it was changed to only match enabled read-write inputs.
Chrome Android ? Edge Mobile Full support YesFirefox Android Full support 16Opera Android Full support Yes
Notes
Full support Yes
Notes
Notes Before Opera 39, :in-range matched disabled and read-only inputs (see Chromium bug 602568). In Opera 39, it was changed to only match enabled read-write inputs.
Safari iOS Full support Yes
Notes
Full support Yes
Notes
Notes In Safari, :in-range matched disabled and read-only inputs (see bug 156530). It was later changed to only match enabled read-write inputs.
Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
See implementation notes.
See implementation notes.

参考

文档标签和贡献者

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