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, 9, 8]
转载于:https://www.cnblogs.com/xzf-o-/p/9722093.html
发布者:全栈程序员栈长,转载请注明出处:https://javaforall.cn/101396.html原文链接: