Understanding Events in JavaScript
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Questions and Answers

What is the primary focus of the interesting behavior of a system?

  • Long-term changes of state that persist over time
  • Changes to the state of the system as a whole (correct)
  • Changes to the state of the system's components
  • User interactions with the document
  • What is the purpose of detecting changes of state in a Web application?

  • To ignore the changes and maintain the current state
  • To know that the changes have occurred and respond accordingly (correct)
  • To create a new system component
  • To store the changes explicitly in the system
  • What is an event in the context of JavaScript?

  • A user interaction with the document that is not detectable
  • An action that occurs in a browser that JavaScript can detect and respond to (correct)
  • A change occurring in the document itself that is not programmable
  • A long-term change of state that persists over time
  • What is the primary purpose of programming JavaScript event handlers?

    <p>To provide for many styles of human-computer interaction</p> Signup and view all the answers

    What is the term used to describe a style of programming that dominates event handling?

    <p>Event-based programming</p> Signup and view all the answers

    What is the relationship between events and user interactions with the document?

    <p>Events are generally related to user interactions with the document, although some are related to changes occurring in the document itself</p> Signup and view all the answers

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