js中new操做符都替咱們幹了些啥？

js中new操做符都替咱們幹了些啥？ 經過new一個構造函數Person生成實例p1：javascript function Person(name) { this.name = name; this.getName = function() { console.log(this.name) } } let p1 = new Person('Ryan') c

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