谢尊方

摘要： let aaa = []; let bbb = [1,2,3]; let ccc = [0,9,8]; aaa = bbb; //此时aaa与bbb被绑定(aaa指向bbb的指向) ,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, ... 阅读全文