added shift-back functionality as well as couting keys down

oslego / chrome-backspace-back

Google Chrome extension that restores browser behavior of navigating to previous page when pressing the Backspace key.

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added shift-back functionality as well as couting keys down #4

Closed myh1000 closed 8 years ago

myh1000 commented 8 years ago

I added the functionality to go forward with shift-backspace, as well as counting the numbers of keys down so, for example, tab-backspace, doesn't go back a page.

Also made the icons transparent