JavaScript has a built-in calculator and mathematical operations can be done directly in the console. Click the blue arrow to submit and see your result. Addition subtraction multiplication and division.
This is the title at the top of our application GeeksforGeeks Calculator.
In the above snippet were listening for a click event on the element with a class of calculator-keysSince all the keys on the calculator are children of this element the click event filters down to them too. This will be our output screen where all text will be shownLike the input that the user will type and the answer calculated from the user input. Youll be able to enter math problems once our session is over. In this series we are going to be making a simple calculator with basic HTML CSS and JavaScript.