js events and DOM

### Screen Casts:
- part 1: intro to events: https://youtu.be/1rKKtzKE01g
- part 2: using events in tic tac toe:https://www.youtube.com/watch?v=dYaHRkC3IbY

### Notes:
https://github.com/ga-students/WDI_skywalker/blob/master/w02/d02/INSTRUCTOR/events.md

### Questions: (please write out your answers)
 - what is an event?
 - why does an event happen?
 - what is the benefit of an event?
 - how do we use events in our javascript?

### Make your own 3 Questions to ask tomorrow in classs. They can be about things you don't understand, or things you are curious about, or things that you have problems with while coding the exercise. 

### Exercise:
 - Make an index.html file with a button inside it, and set an event on that button that alerts "hello world"
 - submit eveything above as a pull request/homework as normal.