... 깊은복사
console.log('비구조할당문'); let arr = [1,2,3,4,5,6,7,8,9]; /* let a = arr[0]; let b = arr[1]; let c = arr[2]; */ let [a,b,c, ...last] = arr; console.log(a); console.log(b); console.log(c); console.log(last); let obj = {a:10,b:20,c:30,d:40}; let {a:a2, ...last2} = obj; console.log(a2); console.log(last2); let {a:name,b:age,c:key,d:weight} = obj; console.log(name) console.log(age) console.log(key) cons..