JavaScript-About page jumps, how to not display the directory structure in the address bar

For example, the login will be based on different permissions to jump to different pages, but do not want to appear

A right user login access, address bar is the domain name/a_index.html
B Rights User Login Enter, address bar is the domain name/b_index.html

Although it is possible to jump to a different folder, but you want some directory structure in the address bar is hidden, how to implement the jump

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For example, the login will be based on different permissions to jump to different pages, but do not want to appear

A right user login access, address bar is the domain name/a_index.html
B Rights User Login Enter, address bar is the domain name/b_index.html

Although it is possible to jump to a different folder, but you want some directory structure in the address bar is hidden, how to implement the jump

Reference URL Rewriting

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