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Module

std/node/buffer.ts>Buffer#writeInt8

Deno standard library
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The Standard Library has been moved to JSR. See the blog post for details.
method Buffer.prototype.writeInt8
import { Buffer } from "https://deno.land/std@0.116.0/node/buffer.ts";

Writes value to buf at the specified offset. value must be a valid signed 8-bit integer. Behavior is undefined when value is anything other than a signed 8-bit integer.

value is interpreted and written as a two's complement signed integer.

import { Buffer } from 'buffer';

const buf = Buffer.allocUnsafe(2);

buf.writeInt8(2, 0);
buf.writeInt8(-2, 1);

console.log(buf);
// Prints: <Buffer 02 fe>

Parameters

value: number

Number to be written to buf.

optional
offset: number

Returns

number

offset plus the number of bytes written.