影分身的专栏

const buf = Buffer.from([0, 5]); // Prints: 5 console.log(buf.readInt16BE()); // Prints: 1280 console.log(buf.readInt16LE()); 5 : 0000 0000 0000 0101 1280 : 0000 0101 0000 0000

左边补零 // 不足5位左边补零 (Array(5).join('0') + 100).slice(-5)

版本: node -v v12.11.0 测试 'use strict' class a1 { //私有属性 #a; constructor() { this.#a = 'private field'; this.c = 'c'; } b() { console.log(`hello ${this.#...