It's called Dash, and it lets users learn how to use HTML, Javascript, and CSS by working through four projects of increasing difficulty. As you progress through the projects — starting by ...

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code ... to create scrap projects or files.

Learning HTML and CSS, or hypertext markup language and cascading style sheets, respectively, is a good way to unlock opportunities in tech and nontech industries. Mastering these languages can ...