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let [a,b]=[1,2];let [foo,[[bar],baz]]=[1,[[2],3]];let [ , , the] = ["foo","bar","baz"];// the = "baz"let [head, ...tail] = [1,2,3,4];// head 1// tail [2,3,4]// 结构赋值允许默认值let [foo=true]=[];for of便利Map
var map = new Map(); map.set("a", "name"); for (let [key, value] of map) { // 遍历键值对}输入模块的指定方法
const { SourceMapConsumer, SourceNode } = require(source-map);
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