Modern JavaScript from the Beginning - Second Edition - Replace Elements

The video tutorial covers various methods to replace elements in the DOM using JavaScript. It starts with an introduction to replacing elements, followed by demonstrations of using the replaceWith method for the first item, outerHTML for the second item, and looping through all items to replace them. The tutorial concludes with using the replaceChild method to replace a header element.

What new insight or understanding did you gain from this video?