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Sogrey
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ES6统一了遍历标准,制定了可遍历对象,就是用for...of。ES6规定,有所部署了载了Iterator接口的对象(可遍历对象)都可以通过for...of去遍历,而for..in仅仅可以遍历对象。 这也就意味着,数组也可以用for...of遍历,这极大地方便了数组的取值,且避免了很多程序用f…