jbiers / calculator-js

A calculator made with JavaScript, HTML and CSS.

calculator-js

A calculator made with JavaScript, HTML and CSS.

Check out this project live HERE

TODO:

• Implement basic design. --OK
• Style dark mode. --OK
• Style light mode. --OK
• create basic JavaScript functions for the operations. --OK
• Handle clicks to the numbers. --OK
• Handle clicks to the operators. --OK
• Handle division by 0 properly. --OK
• Handle clicks to the clear button. --OK
• Allow for multiple operations. --OK
• Handle clicks to backspace button. --OK
• Handle clicks to sound button --OK
• Fix text overflow. --OK
• Add keyboard use. --OK

What I've Learned:

• eval() function
• Number.isSafeInteger()
• event.preventDefault()
• how an XSS attack manages to input JavaScript code into a website
• got really comfortable with arrow functions and event handling
• how numbers work in JavaScript (how floating points are represented in computer memory