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  2. DOM event - Wikipedia

    en.wikipedia.org/wiki/DOM_event

    To prevent an event from bubbling, developers must call the stopPropagation() method of the event object. To prevent the default action of the event to be called, developers must call the preventDefault() method of the event object. The main difference from the traditional model is that multiple event handlers can be registered for the same event.

  3. Active object - Wikipedia

    en.wikipedia.org/wiki/Active_object

    The active object design pattern decouples method execution from method invocation for objects that each reside in their own thread of control. [1] The goal is to introduce concurrency, by using asynchronous method invocation and a scheduler for handling requests. [2] The pattern consists of six elements: [3]

  4. Selenium (software) - Wikipedia

    en.wikipedia.org/wiki/Selenium_(software)

    Selenium Grid is a server that allows tests to use web browser instances running on remote machines. With Selenium Grid, one server acts as the central hub. Tests contact the hub to obtain access to browser instances. The hub has a list of servers that provide access to browser instances (WebDriver nodes), and lets tests use these instances.

  5. Observer pattern - Wikipedia

    en.wikipedia.org/wiki/Observer_pattern

    While the library classes java.util.Observer and java.util.Observable exist, they have been deprecated in Java 9 because the model implemented was quite limited. Below is an example written in Java that takes keyboard input and handles each input line as an event.

  6. Document Object Model - Wikipedia

    en.wikipedia.org/wiki/Document_Object_Model

    The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.

  7. Event (computing) - Wikipedia

    en.wikipedia.org/wiki/Event_(computing)

    Event propagation models, such as bubbling, capturing, and pub/sub, define how events are distributed and handled within a system. Other key aspects include event loops, event queueing and prioritization, event sourcing, and complex event processing patterns. These mechanisms contribute to the flexibility and scalability of event-driven systems.

  8. Event (synchronization primitive) - Wikipedia

    en.wikipedia.org/wiki/Event_(synchronization...

    Different implementations of events may provide different subsets of these possible operations; for example, the implementation provided by Microsoft Windows provides the operations wait (WaitForObject and related functions), set (SetEvent), and clear (ResetEvent). An option that may be specified during creation of the event object changes the ...

  9. Naked objects - Wikipedia

    en.wikipedia.org/wiki/Naked_objects

    All business logic should be encapsulated onto the domain objects.This principle is not unique to naked objects; it is a strong commitment to encapsulation.; The user interface should be a direct representation of the domain objects, with all user actions consisting of creating, retrieving, or invoking methods on domain objects.