console.log(...[3, 4, 5])
console.log(3, 4, 5)
let arr1 = [1, 2, 3] let arr2 = [4, 5, 6] let arr3 = [7, 8, 9] console.log([...arr1, ...arr2, ...arr3])
let arr4 = ['arg1', 'arg2', 'arg3', 'arg4']
let fun1 = (a1, a2, a3, a4) => {
console.log( a1, a2, a3, a4)
}
fun1(arr4[0], arr4[1], arr4[2], arr4[3])
fun1.apply(null, arr4)
fun1(...arr4)
let [var1, ...arr5] = [1, 2, 3, 4, 5, 6] console.log(var1) console.log(arr5)
let set1 = new Set() set1.add(1) set1.add(2) set1.add(3) console.log(...set1)
let map1 = new Map();
map1.set('k1', 1);
map1.set('k2', 2);
map1.set('k3', 3);
console.log(...map1)
let obj1 = {
p1: 1,
p2: 2,
p3: 3
}
console.log(...obj1)
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