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doc: document buffer.buffer property

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Buffer objects expose the underlying `Uint8Array`'s `buffer` property
by default. This patch formally documents it.

PR-URL: https://github.com/nodejs/node/pull/8332
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
This commit is contained in:
Sakthipriyan Vairamani (thefourtheye) 2017-01-11 00:55:48 +05:30
parent 16e3cf686e
commit 03d440e3ce
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doc/api/buffer.md
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@ -879,6 +879,19 @@ for (let i = 0; i < str.length ; i++) {
console.log(buf.toString('ascii'));
```
### buf.buffer
The `buffer` property references the underlying `ArrayBuffer` object based on
which this Buffer object is created.
```js
const arrayBuffer = new ArrayBuffer(16);
const buffer = Buffer.from(arrayBuffer);
console.log(buffer.buffer === arrayBuffer);
// Prints: true
```
### buf.compare(target[, targetStart[, targetEnd[, sourceStart[, sourceEnd]]]])
<!-- YAML
added: v0.11.13