The Back button will actually work, and that experience will disorient some users.

Back 按钮实际上会工作，这种体验会让某些用户感到迷惑。

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As for the browser back button, if the state of the iFrame changed such that the history was updated, it might seem to work correctly.

对于浏览器的“后退”按钮，如果iF rame的状态发生更改而更新浏览历史，则可能会正常工作。

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The basic rule is: if you allow someone to click on a link, you have to add an object to the browser history so the Back button will work as expected.

基本规则是：如果允许别人单击链接，就必须在浏览器历史中增加一个对象，以便后退按钮能够正常工作。

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