Chrome DevTools: Unleash the Awesome

If you’ve done any front-end development, you are probably familiar with Chrome Dev Tools. But do you truly know how powerful Chrome DevTools can be? In this talk, which will benefit everyone from a “what is DevTools” newbie to a power user, I'll will provide you with useful tips and tricks you can use to improve your front-end code immediately. 
Beginner : chrome devtools f12