Detailed explanation of the functions of browser f12 - Network
How to open (one of three)
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Open the browser and press F12
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Right click to check
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ctrl + shift + c
Click the network tab. If not, try clicking on the right side >>to see if it is hidden.
Refresh the page and you will see the relevant network request information in the network tab. You can clearly see what was requested.
Introduction to some functions
Introduction to each field of http request
I found an article online that I think is quite comprehensive, you can check it out ===》