Wing says to Happy Web Developer var a = { a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7 } var b = { a: false, b: false, c: false } 如何把a 裏面 跟b的共同key 的value 搬到b上 ` result: b = {a:1,🅱️2,c:3} `