Is it good to use Framworks for professional website?

Question

Suppose, I am going to make a website like Facebook or Any professional website. Is it good to use CSS frameworks like Bootstrap, Materialize CSS, and JS framework or library like Jquery e.t.c ??

Answer 1

Answer is Yes, if you have strong foundation on HTML/CSS/Javascript.

Answer is No, if you still not sure the basic of HTML/CSS/Javascript. You should be at least able to use HTML/CSS/Javascript alone to build a full standard corperate website.