静态方法：Buffer.isEncoding(encoding)

🌐 Static method: Buffer.isEncoding(encoding)

• encoding <string> 要检查的字符编码名称。
• 返回：<boolean>

如果 encoding 是支持的字符编码名称，则返回 true，否则返回 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: falseconst { 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拷贝