系统
浏览器功能检测
测试浏览器对该平台使用的 Web API 的支持，并具有明确的支持和不支持状态。
隐私: 功能测试在本地运行并且不传输报告。
界面标签和工具名称已翻译。此页面上的详细指南和常见问题解答目前以英文编写。
测试接口
按“开始”后，您的浏览器可能会请求许可。按开始开始。
运行检测—
功能检测检查当前浏览器，而不是特定设备。支持的 API 可能仍需要许可、用户交互或兼容的操作系统。
如何使用这个工具
- Click Run feature detection.
- Filter by category or support status.
- Read the notes for APIs that require permissions or HTTPS.
- Copy the list for a bug report or support request.
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技术说明
Each row checks for the relevant global, method, or constructor. Some features are only usable in a secure context; the page reports that separately where possible.
A constructor can exist while the underlying hardware or permission is unavailable. Use the individual tool pages for functional tests.
故障排除
Everything is unsupported
Check that you are on HTTPS and using a current browser.
A feature appears supported but fails
The API may need a permission, hardware, or user gesture.
Results change after an update
Browser updates add and remove APIs; rerun the test.
Clipboard is unsupported
Clipboard access often requires HTTPS and a user gesture.
相关工具
常见问题
It checks whether the browser exposes an API before code tries to use it.
No. It checks for the media APIs without opening a stream.
Yes, use the category and status controls.
No. Availability can still depend on permissions, hardware, policy, and runtime state.
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