As a developer, one of the first things you do when starting a new project is include jQuery and start writing code. That’s the way it’s always been, and works for you.
Stop it.
Devices are getting smaller, processors are getting slower, and web apps are more complicated. jQuery can cause some fairly serious performance issues. So let’s take a step back from jQuery and talk about ways VanillaJS is faster and simpler.
Bring your computer and we’ll write a high-performance version of some of the most popular jQuery methods.