Finding the username of the admin without logging in.txt

Note: The problem is that the login page disclose the admin username even If the admin will change the username, It will still disclose it without logging in. Works in HG8145V

1. Visit http://192.168.0.1/
2. Open Inspect and click Elements then find UserNameNormal and the value of the variable is the admin username.
3. And near it are some useful stuff or useless depends that includes.