Dude, don't be so shallow. You'll be surprised, but HTML, CSS, and JS are not the web. To realize this simple fact, you can try looking up the statistics on the number of websites made in vanilla HTML/CSS/JS, or see how many there are the 'Vanilla HTML/CSS/JS developers' out there. That means, if you only know HTML, CSS, and JS, you can't make practical web apps, and you can't be a web developer either.

I am familiar with HTML, CSS, and JS, but can't make anything except the simplest static website.