Before we get any further into web development, I need to introduce you to a set of tools that you’ll be using all of the time. These are the developer tools that come with every web browser. These developer tools allow you to get more info about a website, to debug your JavaScript, and to see why that one component is 5 pixels to the right of where it should be.
This is a companion discussion topic for the original entry at https://happycoding.io/tutorials/javascript/developer-tools