Calculator web app made with JS. You can make basic math operations, using the virtual keyboard, clicked on the keys.
You can also enter an operation using your keyboard, reading the keys using the keydown event avaliable with Javascript.
Can see all enters on the virtual screen at top of the page, which are splitted in two screens.
The first one has the operators entered sequentially, and the second one has result of all operations.
Using grid template layout to draw the virtual buttons and the virtual screen, and event listeners to call the keyboard events.