What Do You think is the most Needed Skill for becoming a front end developer?

Question

My thoughts are JavaScript and its Libraries, Bootstrap and HTML5/CSS3 as the basics of these.

Answer 1

To that I would add some design principles, since you want to learn front-end.

Learning about typography, spacing and color combination is important.

Answer 2

Mickel True, that's an important aspect too. And it will be really helpful for UI designing as well.