Rand Tsui

const doSometing = t => { return new Promise(resolve => { setTimeout(() => { resolve(t); }, t); });};const doSometing2 = t => { return t;};const fun = async () => { let d3 = await doSometing2.

浏览器端：new TextEncoder().encode('zifuc');NodeJS：Buffer.from('你好')

无符号右移，右移0位表示，把小数变为32位无符号整数