Take the Mozilla Developer Network (MDN), for example. Mozilla’s developer site offers a wealth of documentation on CSS, JavaScript, HTML, SVG and more, but navigating through it can be tedious ...

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 right inside your browser. A quick tour ...

In addition, Brackets features a clean UI and a live preview for ... It is written in HTML, CSS, and JavaScript, which run in a thin native shell, and supports 30-odd languages.

Sullivan believes CSS Lint is the first tool of its kind for CSS. “There are tools like that for JavaScript,” such as JSLint, she said. A World Wide Web consortium specification, CSS provides ...

Chrome also supports using these new custom variables in JavaScript without any issues. CSS variables are very new though have been in the works for years — but they’re not widely supported yet.