This week, as a precursor to learning React, I studied the virtual DOM and attempted to create my own virtual DOM using JavaScript objects. It was a great exercise to help me understand that React creates a virtual copy of the the browser’s Document Object Model (DOM) and uses this for manipulations before writing to the actual DOM, but I wasn’t entirely sure why is makes sense to do it this way. Continue reading
Code Chrysalis begins before it actually begins. There is a very well structured pre-course that lists out topics to study, assigns homework, and there are even tests. Without giving away too many of their secrets let me just say that there is a lot of JavaScript in the pre-course. Continue reading
The truth about closures is out there. You can Google JavaScript closure and find several good youtube videos and a dozen or so articles that explain the concept reasonably well. I think I have watched and read them all and I think I understand what a closure is.
I have found that one of the best ways to understand something is to teach it. In trying to explain something to others you find the pieces that you skip over in your mind, but don’t really understand. I’m going to add to all those posts about closures on the internet – mostly for my benefit, but maybe it will help someone else too.
A Coding Journey 