I was tasked with helping to build out the Redux architecture of a single page application at work. I have built plenty of projects with Redux, but never had to seriously consider performance at scale until this application. As I began doing some research, I repeatedly ran across “selectors”, but had no clue what they were. This article will answer that question for you and hopefully help you dete
![What is a Redux selector?](https://cdn-ak-scissors.b.st-hatena.com/image/square/c6b955af14002228d83ea51341535c3c06194468/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A250%2F1%2Az4nNci9MULCHJDzRrAuyAw.png)