Let’s say we want to add something to a webpage after the initial load. JavaScript gives us a variety of tools. Perhaps you’ve used some of them, like append, appendChild, insertAdjacentHTML, or innerHTML.
The difficult thing about appending and inserting things with JavaScript isn’t so much about the tools it offers, but which one to use, when to use them, and understanding how each one works.
Let’s try to clear things up.
Super quick context
It might be helpful to discuss a little background before jumping in. At the simplest level, a website is an HTML file downloaded from a server to a browser.