Web apps with dynamic behavior are pretty common. I've written some of those, but I also found React easier just for mostly-static webpages that need somewhat f

Web apps with dynamic behavior are pretty common. I've written some of those, but I also found React easier just for mostly-static webpages that need somewhat flexible layout. You can do most of that with CSS instead, but it tends to involve super specific knowledge and hacks. Vs having a convenient, generalized way to change the DOM at will.