Calculator with JavaScript

This is a calculator project to test and practice my JavaScript.

Goals

The user should be able to make simple arithmetic operations.
The user should be able to see the temporary result of his/her calculation while seeing also the whole calculation.
The user should be able to erase the last number or operator.
The user should be able to reset the whole calculation with a C key.
The user should be able to get the result of his/her calculation with the = key, and should be able to use it as the first number of a new calculation.
The user should be able to use both the mouse (screen touch) and the keyboard.

This project is being developped by Laura Gómez. Any comments (ideas, changes to make, moral support) can be sent to laura@elenagoto.ch