Revert "app.js"

This reverts commit 382cef162b08a92c79cb8ffc2d8d17e015d05708.
Revert "Revert "app.js""

This reverts commit fd7430986dfc36e65f8dee1824c5c2b05657cca7.
Revert "app.js"

This reverts commit 382cef162b08a92c79cb8ffc2d8d17e015d05708.