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doc: clarify length param in buffer.write #32119

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doc: clarify length param in buffer.write #32119

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7841713
doc: clarify `length` param in `buffer.write`
HarshithaKP Mar 6, 2020
661c800
fixup: fix some rebase issues
HarshithaKP Mar 13, 2020
28d0f9b
fixup: address review comment
HarshithaKP Mar 14, 2020
34e55ec
fixup: address review comment
HarshithaKP Mar 30, 2020
b0e0bbe
fixup : bring back deleted number
HarshithaKP Mar 30, 2020
6956024
fixup: bring back deleted number
HarshithaKP Mar 30, 2020
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11 changes: 9 additions & 2 deletions doc/api/buffer.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1994,8 +1994,8 @@ added: v0.1.90
* `string` {string} String to write to `buf`.
* `offset` {integer} Number of bytes to skip before starting to write `string`.
**Default:** `0`.
* `length` {integer} Maximum number of bytes to write. **Default:**
`buf.length - offset`.
* `length` {integer} Maximum number of bytes to write (written bytes will not
exceed `buf.length - offset`). **Default:** `buf.length - offset`.
* `encoding` {string} The character encoding of `string`. **Default:** `'utf8'`.
* Returns: {integer} Number of bytes written.

Expand All @@ -2011,6 +2011,13 @@ const len = buf.write('\u00bd + \u00bc = \u00be', 0);

console.log(`${len} bytes: ${buf.toString('utf8', 0, len)}`);
// Prints: 12 bytes: ½ + ¼ = ¾

const buffer = Buffer.alloc(10);

const length = buffer.write('abcd', 8);

console.log(`${length} bytes: ${buffer.toString('utf8', 8, 10)}`);
// Prints: 2 bytes : ab
```

### `buf.writeBigInt64BE(value[, offset])`
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