Uncaught SyntaxError: Identifier 'hosId' has already been declared

根据引用\[1\]和引用\[2\]的信息，"Uncaught SyntaxError: Identifier 'hosId' has already been declared"错误是由于重复声明变量hosId导致的。这意味着在代码中hosId这个变量已经被声明过一次了。你可以检查一下你的代码，确保hosId只被声明了一次。如果你在代码中多次声明了hosId变量，可以考虑删除其中的一个声明。另外，根据引用\[3\]的信息，这个错误可能与浏览器有关，你可以尝试在其他浏览器中运行代码，看看是否还会出现相同的错误。
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