As an aside around dealing with properties that don't exist yet, I have found the following pattern very useful. It greatly reduces the number of checks I have

As an aside around dealing with properties that don't exist yet, I have found the following pattern very useful. It greatly reduces the number of checks I have to do in an if statement and has made my code more maintainable by reducing the amount of boilerplate code I need to write inside of functions. http://adripofjavascript.com/blog/drips/making-deep-property-access-safe-in-javascript.html http://adripofjavascript.com/blog/drips/making-deep-property...