Buffer.isEncoding(encoding)
如果 encoding
是支持的字符编码的名称,则返回 true
,否则返回 false
。
import { Buffer } from 'node:buffer';
console.log(Buffer.isEncoding('utf8'));
// 打印: true
console.log(Buffer.isEncoding('hex'));
// 打印: true
console.log(Buffer.isEncoding('utf/8'));
// 打印: false
console.log(Buffer.isEncoding(''));
// 打印: false
const { Buffer } = require('node:buffer');
console.log(Buffer.isEncoding('utf8'));
// 打印: true
console.log(Buffer.isEncoding('hex'));
// 打印: true
console.log(Buffer.isEncoding('utf/8'));
// 打印: false
console.log(Buffer.isEncoding(''));
// 打印: false
Returns true
if encoding
is the name of a supported character encoding,
or false
otherwise.
import { Buffer } from 'node:buffer';
console.log(Buffer.isEncoding('utf8'));
// Prints: true
console.log(Buffer.isEncoding('hex'));
// Prints: true
console.log(Buffer.isEncoding('utf/8'));
// Prints: false
console.log(Buffer.isEncoding(''));
// Prints: false
const { Buffer } = require('node:buffer');
console.log(Buffer.isEncoding('utf8'));
// Prints: true
console.log(Buffer.isEncoding('hex'));
// Prints: true
console.log(Buffer.isEncoding('utf/8'));
// Prints: false
console.log(Buffer.isEncoding(''));
// Prints: false