es6

1

var m = {aa: {}, b: {}}; // ---
var {aa = {}, bb = {}, cc={}} = m; // cc 的初始值


var m = {aa: {}, b: {}}; // ---
var {aa : aaa, bb = {}, cc={}} = m; // 将aa重设置为变量aaa
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原文地址：https://www.cnblogs.com/Running00/p/13950864.html