这是indexloc提供的服务，不要输入任何密码
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README: add note about performance in Jest tests #221

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README: add note about performance in Jest tests #221

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Expand Up @@ -457,6 +457,13 @@ messages per second on a laptop or 60 and 30 messages per second on a smartphone
per CPU core (with Web Workers you can do these operations in parallel),
which is good enough for most applications.

### Performance in Jest

When using tweetnacl-js in tests with [Jest](jestjs.io), the
[extraGlobals](https://jestjs.io/docs/configuration#extraglobals-arraystring)
configuration variable should include `Math`.
This avoids a significant performance penalty from the test vm environment.


Contributors
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