Event Driven Applications

Nearly everything in the world is “Event Driven”

Humans respond to events billions of times every day. Your eyes react to light. You hit the brakes when the car in front of you slows down. Your skin forms a blister when burned.

Machines can be event driven as well. Self driving cars can stay in their lane by “reading” the road lines in real time. Thermostats constantly turn the heat/air on or off in response to the temperature.

How can we leverage this in a software application?

Everything in JS is an object Most actions in JS are event driven UI Events Express Routes (soon) Model Lifecycle Hooks (later) React … everything Now, we harness that power