let aaa = [];
let bbb = [1,2,3];
let ccc = [0,9,8];
aaa = bbb; //此时aaa与bbb被绑定 ,若使用push则不会绑定
aaa.push(...ccc);
console.log(aaa); //[1, 2, 3, 0, 9, 8]
console.log(bbb); //[1, 2, 3, 0, 9, 8]
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let aaa = [];
let bbb = [1,2,3];
let ccc = [0,9,8];
aaa = bbb; //此时aaa与bbb被绑定 ,若使用push则不会绑定
aaa.push(...ccc);
console.log(aaa); //[1, 2, 3, 0, 9, 8]
console.log(bbb); //[1, 2, 3, 0, 9, 8]
相关文章：