As you continue to learn HTML, CSS and JavaScript, embrace a growth mindset. With practice and experimentation, you’ll gain confidence and develop your coding skills.

Try out new macOS features before anyone else! Download and install the macOS beta, developer and pubic versions.

Right now, Microsoft provides a number of HTML5, CSS and JavaScript tooling as part of Internet Explorer (as of version 8). With IE 9, there will be even more of these so-called F12 tools for ...