This is why I encourage all developers to take some time to teach new people. The "everyone knows this obviously" attitude goes away very quickly if you start doing this.
The aim of the video was to make it accessible to just about everybody. So if you know this stuff you can watch the first minute and stop the video and get value out of it. On the other hand, if you're a beginner and you just did Codecademy, you can watch it through and follow it too.
This is why I encourage all developers to take some time to teach new people. The "everyone knows this obviously" attitude goes away very quickly if you start doing this.
The aim of the video was to make it accessible to just about everybody. So if you know this stuff you can watch the first minute and stop the video and get value out of it. On the other hand, if you're a beginner and you just did Codecademy, you can watch it through and follow it too.