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doc: add example for Buffer.isEncoding()

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PR-URL: https://github.com/nodejs/node/pull/28360
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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Angie M. Delgado 2019-06-21 17:06:48 -05:00 committed by Rich Trott
parent d4549e75d4
commit c81062a908
1 changed files with 14 additions and 0 deletions
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doc/api/buffer.md
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@ -951,6 +951,20 @@ added: v0.9.1
Returns `true` if `encoding` contains a supported character encoding, or `false`
otherwise.
```js
console.log(Buffer.isEncoding('utf-8'));
// Prints: true
console.log(Buffer.isEncoding('hex'));
// Prints: true
console.log(Buffer.isEncoding('utf/8'));
// Prints: false
console.log(Buffer.isEncoding(''));
// Prints: false
```
### Class Property: Buffer.poolSize
<!-- YAML
added: v0.11.3