Capturing mouse coordinates

1. Click here and share this window as a captured surface.
2. Move the mouse near the top left corner of the window.
3. Move the mouse near the top right corner of the window.
4. Move the mouse near the bottom right corner of the window.
5. Move the mouse near the bottom left corner of the window.
6. Move the mouse near the center of the window.
7. Move the mouse outside the window.
8. Move the mouse inside the window.