What I also like is that, if the viewer of your pages doesn’t have the latest web browser software, the author has set up the code so that it “degrades gracefully”, meaning those people with older browser software will still see a basic site layout of your information and robots will still index your pages for search engine optimization.
Natalie MacLees is a front-end web developer and UI designer and is founder + principal of the interactive agency, Purple Pen Productions. She is the author of jQuery for Designers, now in its second edition. She founded and runs the jQuery LA Users' Group and together with Noel Saw she heads up the Southern California WordPress User’s Group, organizing WordPress meetups, help sessions, and workshops. She is the lead organizer for WordCamp Los Angeles 2014 and organized the first annual Website Weekend LA. She's also the founder of the Los Angeles chapter of Girl Develop It, bringing affordable and accessible coding classes to the community. She makes her online home at nataliemac.com.