Check if userAgent is empty #2471
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Some browsers allow to have empty userAgent. Therefore, we need to check ua before using "indexOf" on it.
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Thx for the PR. Could you specify in it too which browsers for example are doing this? |
It is certainly possible in different versions of Chrome, Firefox, Opera and Edge. There are many articles "How to change user agent" and "How to remove user agent", for example: https://www.maketecheasier.com/change-user-agents-chrome-firefox-edge/ |
This was referenced Oct 25, 2019
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Some browsers allow to have empty userAgent. Therefore, we need to check ua before using "indexOf" on it.