在此页

• 句法
• 值
• 浏览器兼容性
• 另请参阅
• 相关话题

过时
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

max property provides the maximum sensing distance the sensor is able to report, in centimeters.

句法

var value = instanceOfDeviceProximityEvent.max;
					

值

A positive number indicating the maximum distance, in centimeters (cm), that the device's proximity sensor is able to detect and report.

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
max 非标	Chrome No	Edge No	Firefox 62 Disabled 62 Disabled 见 bug 1462308 . Disabled From version 62: this feature is behind the device.sensors.proximity.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config. 不支持 ? — 61	IE No	Opera No	Safari No	WebView Android No	Chrome Android No	Firefox Android 62 Disabled 62 Disabled 见 bug 1462308 . Disabled From version 62: this feature is behind the device.sensors.proximity.enabled preference (needs to be set to true ). To change preferences in Firefox, visit about:config. 不支持 15 — 61	Opera Android No	Safari iOS No	Samsung Internet Android No

图例

完整支持

完整支持

不支持

不支持

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

非标。预期跨浏览器支持较差。

非标。预期跨浏览器支持较差。

见实现注意事项。

用户必须明确启用此特征。

用户必须明确启用此特征。

另请参阅

• DeviceProximityEvent

元数据

• 最后修改： Dec 25, 2019

相关话题

1. 接近事件
2. DeviceProximityEvent
3. 特性

   1. max
   2. min
   3. value
4. 继承：

   1. 事件
5. Related pages for Proximity Events

   1. UserProximityEvent