JavaScript is the third installment in the three core tenets of the web — HTML, CSS, and JavaScript. If you wish to become a web developer, you have no other option but to learn JavaScript. It is what it is!
In this mini course, you'll walk through the minimum stuff required in your early days with JavaScript. Most importantly, you might notice that there is no mention of HTML DOM, or events, or other advanced topics. This is because you don't need these in the early days.