javascript 在JS中克隆一个对象

Posted 2021-05-03

// "Spread" and "Object.assign" will do a shallow copy. The "JSON" will do a deep copy
const user = {"firstname": "Kevin", "lastname": "Bacon"}

// 1. Spread
{...user}

// 2. Object.assign
Object.assign({}, user)

// 3. JSON
JSON.parse(JSON.stringify(user))