html 父容器和子容器通信

通过拿到document对象下的window对象后执行对应的方法。

There are two ways of constructing a software design.One is to make it so simple that there are obviously no deficiencies;the other is to make it so complicated that there are no obvious deficiencies.
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原文地址：https://www.cnblogs.com/yuanjunqq/p/5723258.html