Guys, do you recommended any good course of frontend development(html,css,jquery)?
Treehouse has always been my favorite.
Check this out, too
I'm a big fan of https://www.codeschool.com/ I attribute my Development career to them.
If you're looking for something with a low barrier to entry that is somewhat introductory with a great set of courses, check out codecademy.
Try Team Treehouse or Code School
Thanks guys! It's really helpful
http://freecodecamp.com is my favorite. I like Treehouse as well but the cost can be prohibitive for some.