JS gets the file name of the current page

This JS code in the front-end Web interaction to use a wide range of access to the current page file name, code super simple, this is a lot of relevant examples of the final written code, testing the next, compatibility is quite good, do not dare to enjoy, in this share with you.

JavaScript gets the file name code for the current page:

When testing, in order to see the results, here Use the Alert window message to track the file name obtained, when it is really used, you can remove this line, the obtained file name assigned to the variable to be used.