isAscii - Node documentation
function isAscii

Usage in Deno

import { isAscii } from "node:buffer";
isAscii(input:
Buffer
| ArrayBuffer
| TypedArray
): boolean

This function returns true if input contains only valid ASCII-encoded data, including the case in which input is empty.

Throws if the input is a detached array buffer.

Parameters

input:
Buffer
| ArrayBuffer
| TypedArray

The input to validate.

Return Type

boolean