摘要： 1. 数组的解构赋值 解构：从数组和对象中提取值，对变量进行赋值 let [foo, [[bar], baz]] = [1, [[2], 3]]; foo // 1 bar // 2 baz // 3 let [ , , third] = ["foo", "bar", "baz"]; third / 阅读全文