Cheon Jina
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Cheon Jina
안녕하세요 벨로퍼트님 강의 잘듣고 있습니다! const numbers = { _a: 1, _b: 2, sum: 3, calculate() { console.log('calculate'); this.sum = this._a + this._b; }, get a() { return this._a; },...