Khan Academy
Khan Academy: Debugging Webpages With the Browser Console
Learn how to debug in your webpages on Khan Academy using console.log() and the Chrome Developer Tools.
Code.org
Code.org: How to Debug
No matter what level of experience, everyone gets bugs! And with a little practice everyone can get good at debugging. Find out the 4 simple steps it takes to squash a bug and some tips to debug even faster. [2:12]
Khan Academy
Khan Academy: Debugging With Println()s
Learn some computer programming debugging tips. [5:50]