Computer Programming FAQ

Intro to JS/ProcessingJS

• Why does Oh Noes keep popping up when I'm writing my program?
• Which parts of ProcessingJS does Khan Academy support?

JavaScript syntax

• If the '++' operator adds one to a variable in JavaScript coding, does '+++' add two?
• What's the difference between "==" and "===" operator?
• When do I use a for loop and when do I use a while loop in the JavaScript challenges?
• Why do I need variables in a JavaScript program? Isn't it easier to just type the number?

HTML/CSS/webpages

• What resources (images, scripts, etc.) can I bring into webpages that I make on Khan Academy?
• Can I write ProcessingJS programs inside the webpage environment?

General

• Can I learn Python on Khan Academy?
• What are the code reviewing guidelines?
• Tips for Answering Programming Questions
• What programming languages do you teach?
• How do I program offline or outside of KA?
• Does it matter which line I put my code on in the text editor?
• How do I print my programs?