在此页

• 特性
• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

ULongRange dictionary is used to define a range of permitted integer values for a property, with either or both a maximum and minimum value specified. The ConstrainULongRange dictionary is based on this, augmenting it to support exact and ideal values as well.

特性

max

A numeric value in the range of signed 32-bit integers, specifying the largest permissible value of the property it describes.

min

A numeric value in the range of signed 32-bit integers, specifying the smallest permissible value of the property it describes.

指定 min and/or and max 值为 required . If no match can be found that is within the given range, an error will occur.

规范

规范	状态	注释
媒体捕获和流 The definition of 'ULongRange' in that specification.	候选推荐	初始定义

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
ULongRange	Chrome No	Edge No	Firefox No	IE No	Opera No	Safari No	WebView Android No	Chrome Android No	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android No

图例

不支持

不支持

另请参阅

• Media Capture and Streams API
• Capabilities, constraints, and settings
• ConstrainULongRange
• MediaTrackConstraints
• MediaTrackCapabilities
• MediaTrackSupportedConstraints

元数据

• 最后修改： Jan 25, 2020

相关话题

1. Media Streams API
2. ULongRange
3. Related pages for Media Capture and Streams

   1. AudioStreamTrack
   2. BlobEvent
   3. CanvasCaptureMediaStream
   4. ConstrainBoolean
   5. ConstrainDOMString
   6. ConstrainDouble
   7. ConstrainLong
   8. DoubleRange
   9. HTMLCanvasElement.captureStream()
   10. LongRange
   11. MediaDevices
   12. MediaStream
   13. MediaStreamTrack
   14. MediaStreamTrackEvent
   15. MediaTrackCapabilities
   16. MediaTrackConstraints
   17. MediaTrackSettings
   18. MediaTrackSupportedConstraints
   19. Navigator.mediaDevices
   20. NavigatorUserMedia
   21. NavigatorUserMediaError
   22. VideoStreamTrack
   23. navigator.mediaDevices.getUserMedia()