Js to get the file name of the current webpage

This JS Code is widely used in front-end webpage interaction. It gets the file name of the current webpage, and the code is very simple. This is the code that was finally written through many examples and tested, the compatibility is quite good. I am afraid to share it with you.

JavaScript:

 

During the test, alert pop-up message is used to track the obtained file name to make it easier to see the results. You can remove this line when actually using it, assign the obtained file name to the variable to be used.