ASP.NET makes it easier to use HTML, CSS and JavaScript in connection ... from Microsoft that makes it easy for you to create and publish your Web page.

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 ... with a page divided into various ...

The new release brings improvements to JavaScript heap profiles, CSS code formatting ... the semantic highlighting of JavaScript source in HTML files with what is seen in normal .jscode files.