codeTabber is a keyboard-enabled app that lets you switch between code panes on CodePen, JSFiddle, and other online code editors, right from the keyboard.

Once installed, it adds a new context menu to your browser's dev tools, with a new "Switch Panel" option, as well as a "View Selection" option, which allows you to view selected text from the currently focused tab.

The "View Selection" option is for viewing selected text on a tab.

Changing focus to the next pane: press CTRL and the greater-than key (>) at the same time.

Switching to the previous pane: press CTRL and the less-than key (