By now you should've had some practice using callbacks. To reiterate, we use callbacks as a way to create asynchronicity in our application: we want to

• Callback Hell

• Async JS Crash Course

Last week you learned about making API calls. For repetition's sake

• fetch()

In week two we will discuss the following topics:
• Async vs Sync
• Event Loop (order of execution)
• Promises

Here are resources that we like you to read as a preparation for the second lecture:

• Stacks/Queues (5 mins)
• Read about Asynchronous vs. Synchronous programming: http://www.hongkiat.com/blog/synchronous-asynchronous-javascript/
• Why closures are helpful with async code

• Event Loop
• Promises

Please go through the material and come to class prepared!