Editing JavaScript (section)

=== Examples of scripted behavior ===
* Loading new [[web page]] content without reloading the page, via [[Ajax (programming)|Ajax]] or a [[WebSocket]]. For example, [[user (computing)|users]] of [[social media]] can send and receive messages without leaving the current page.
* Web page animations, such as fading objects in and out, resizing, and moving them.
* Playing [[browser game]]s.
* Controlling the [[Media player software|playback]] of [[streaming media]].
* Generating [[pop-up ad]]s or alert boxes.
* [[Data validation|Validating]] input values of a [[Form (HTML)|web form]] before the data is sent to a [[web server]].
* Logging data about the user's behavior then sending it to a server. The website owner can use this data for [[Web analytics|analytics]], [[ad tracking]], and [[personalization]].
*Redirecting a user to another page.
* Storing and retrieving data on the user's device, via the [[web storage|storage]] or [[Indexed Database API|IndexedDB]] standards.