I am trying to use TMS in Leaflet to visualize some existing data that already exists in any GeoServer. So this is my code and still does not work. So the question is: How could I show the following TMS in Leaflet?

From TMS server

Just a gray map!

I am trying to use TMS in Leaflet to visualize some existing data that already exists in any all GeoServer.

Updated:

The question is:

How could I show the following TMS in Leaflet? What is wrong with the small piece of code? I am using the following code but I only see a Gray map, unfortunately, no error that I can trace it back! TMS in GeoServer works fine as I have included some screenshots/responses here.

Responeses from TMS server:

WMS output:

I am trying to use TMS in Leaflet to visualize some existing data that already exists in any GeoServer. So this is my code and still does not work.

I am trying to use TMS in Leaflet to visualize some existing data that already exists in any GeoServer. So this is my code and still does not work. So the question is: How could I show the following TMS in Leaflet?