JavaScript is a widely used scripting language embedded directly into HTML code. It allows you to enhance your Web site with interactive extras. Used alone or with other programming languages, JavaScript can help you create a polished and interactive Web site.
Functionality
With JavaScript, you can:
- Create slideshows
- Display the time and date
- Control the size and style of pop-up windows
- Change images as a cursor rolls over them
- Validate information on Web forms before they go to the server
Level of Difficulty
JavaScript is relatively easy to learn if you start off with simple tasks. As you gain experience, you can write more advanced JavaScript codes. Because it is an open language, anyone can use JavaScript. There are no licenses to purchase. With free online JavaScript tutorials and Notepad software, you can begin writing JavaScript code today.