Javascript 未捕获的 DOMException：无法在“窗口”上执行“postMessage”：无法克隆对象
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Uncaught DOMException: Failed to execute 'postMessage' on 'Window': An object could not be cloned
提问by nieve
I'm trying to call
我想打电话
parent.postMessage(obj, 'whatever');
from within an iframe and I'm getting this error: Uncaught DOMException: Failed to execute 'postMessage' on 'Window': An object could not be cloned.
从 iframe 中，我收到此错误： Uncaught DOMException: Failed to execute 'postMessage' on 'Window': An object could not be cloned.
回答by nieve
It turns out the object I passed had methods, which is why the error message said An object could not be cloned.
原来我传递的对象有方法，这就是为什么错误信息说An object could not be cloned.
In order to fix this, you can do the following:
为了解决这个问题，您可以执行以下操作：
obj = JSON.parse(JSON.stringify(obj));
parent.postMessage(obj, 'whatever');
