MediaKeyStatusMap.has() - Web APIs 编辑
Experimental
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The has property of the MediaKeyStatusMap interface returns a Boolean, asserting whether a value has been associated with the given key.
Syntax
var boolean = mediaKeyStatusMap(key)
Parameters
- key
- The key whose value you want returned
Returns
A Boolean.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Encrypted Media Extensions | Recommendation | Initial definition. |
Browser Compatibility
BCD tables only load in the browser
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