In projects founded on HTML, CSS, and JavaScript, though, it’s often a pain to have to jump between contexts and always keep the thread of your tasks in mind.

For example, you could apply a magenta color to all the radio buttons on your page, as shown in Listing 3 (also see this live example). Listing 3. Controlling radio button colors in CSS ...

Output: The results of executing the CSS, HTML, and JavaScript entered into the sections of the page. Figure A shows jsFiddle loaded in Internet Explorer 9 with empty code panes. Figure A ...

Include any extra CSS and JavaScript in the html file. If you have any images, load them from Unsplash or use solid colored rectangles. The user will provide you with notes in blue or red text ...