Focus input element

Overview:
Pressing the shortcut key moves the cursor to the text box on the Web page.

The default shortcut keys:
- Next input box: F2
- Previous input box: Shift+F2
- Unfocus: F4
- First input box: Default unspecified
- Last input box: Default unspecified

Features:
- Press the key repeatedly to move to the next or previous input box.
- Focus is available on the nearest input box in the active area of the scrolled page.
- Markers allow you to locate the input box.
- These settings can be changed on the Options page.

Source repository:
https://github.com/saihon/focus-input-element