Uncaught (in promise) DOMException: Failed to execute 'postMessage' on 'Window': An object could not be cloned.
你应该在你的postMessage中传入了不可clone的参数。比如一些HTML element。因为这些元素即使传过去了（cloned），也无法操作啊！ ...
原文：Failed to execute 'postMessage' on 'Worker': could not be cloned.
报错内容： Uncaught DOMException: Failed to execute postMessage on Worker : function c var W this if c.kind cf var N c.data W.co N amp amp W. O.remove N ,delete W. map N. id ,W. I cf,n... lt omitted gt .. ...
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