在此页

• 句法
• 范例
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

弃用
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the 兼容性表格 at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Screen.unlockOrientation() method removes all the previous screen locks set by the page/app. The ScreenOrientation.unlock() method should be used instead.

注意： This method only works for installed Web apps or for Web pages in full-screen mode .

句法

var unlocked = window.screen.unlockOrientation();
					

返回值

返回 true if the orientation was successfully unlocked or false if the orientation couldn't be unlocked.

范例

var unlockOrientation = screen.unlockOrientation || screen.mozUnlockOrientation || screen.msUnlockOrientation || (screen.orientation && screen.orientation.unlock);
if (unlockOrientation()) {
  // orientation was unlocked
} else {
  // orientation unlock failed
}
					

规范

规范	状态	注释
Screen Orientation API The definition of 'lockOrientation()' in that specification.	工作草案	Initial definition (Not present in the draft anymore)

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
unlockOrientation	Chrome 38	Edge 12 Prefixed 12 Prefixed Prefixed Implemented with the vendor prefix: ms	Firefox Yes Prefixed Yes Prefixed Prefixed Implemented with the vendor prefix: moz	IE 11 Prefixed 11 Prefixed Prefixed Implemented with the vendor prefix: ms	Opera Yes	Safari No	WebView Android 38	Chrome Android 38	Firefox Android Yes Prefixed Yes Prefixed Prefixed Implemented with the vendor prefix: moz	Opera Android Yes	Safari iOS No	Samsung Internet Android 3.0

图例

完整支持

完整支持

不支持

不支持

要求使用供应商前缀或不同名称。

要求使用供应商前缀或不同名称。

另请参阅

• Screen.orientation
• Screen.lockOrientation()
• Screen.onorientationchange
• Managing screen orientation

元数据

• 最后修改： May 18, 2019

相关话题

1. Screen
2. 特性

   1. availHeight
   2. availLeft
   3. availTop
   4. availWidth
   5. colorDepth
   6. height
   7. left
   8. mozBrightness
   9. mozEnabled
   10. onorientationchange
   11. orientation
   12. pixelDepth
   13. top
   14. width
3. 方法

   1. lockOrientation()
   2. unlockOrientation()
4. 继承：

   1. EventTarget
5. Related pages for Screen Orientation API

   1. Screen.orientation
   2. ScreenOrientation