Mozilla Firefox is still the web browser with the most plug-ins and extensions to choose from. Today I will show in my opinion one of the most useful ones.
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. Find out how well do you really know about this creepy and magnificent creatures.
You can visually insert a radio button into your form and set its properties. Use radio buttons when you want users to select only one choice from a set of options.