Buffer.writeDoubleBE - node__buffer.d.ts - Node

method Buffer.writeDoubleBE

Usage in Deno

```typescript import { type Buffer } from "node:node__buffer.d.ts"; ```



Buffer.writeDoubleBE(value: number,
offset?: number,
): number

Writes `value` to `buf` at the specified `offset` as big-endian. The `value` must be a JavaScript number. Behavior is undefined when `value` is anything other than a JavaScript number. ```js import { Buffer } from 'node:buffer'; const buf = Buffer.allocUnsafe(8); buf.writeDoubleBE(123.456, 0); console.log(buf); // Prints: ```

Parameters



value: number

Number to be written to `buf`.

optional



offset: number = 0

Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 8`.

Return Type

number

`offset` plus the number of bytes written.