Object-Oriented Programming Review: Characteristics, Custom Objects, JSON, and Ajax
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Questions and Answers

Which notation is used to access properties of an object?

  • Arrow notation
  • Bracket notation
  • Dot notation (correct)
  • Function notation

    • What is the preferred way to declare strings in JavaScript?

  • Single quotes (correct)
  • Template literals
  • Double quotes
  • String objects

    • What are regular expressions used for in JavaScript?

  • Manipulating arrays
  • Defining functions
  • Accessing object properties
  • Matching patterns in strings (correct)

    • What is the method to check if an object has its own property?

    <p>hasOwnProperty()</p> Signup and view all the answers

    How are objects declared in JavaScript?

    <p>Curly braces {}</p> Signup and view all the answers

    What property is used to access the length of a string in JavaScript?

    <p>length</p> Signup and view all the answers

    What is the primary advantage of object-oriented programming?

    <p>Encapsulation, intuition, and reuse</p> Signup and view all the answers

    What is a characteristic of objects in JavaScript?

    <p>They can contain methods that operate on the object's data</p> Signup and view all the answers

    Which type of objects are defined by JavaScript, such as Array, Function, Date?

    <p>Native objects</p> Signup and view all the answers

    What do object prototypes allow in JavaScript?

    <p>Objects to inherit properties and methods from a prototype object</p> Signup and view all the answers

    Which format is used for data interchange between systems?

    <p>JSON</p> Signup and view all the answers

    What is the primary purpose of Ajax in JavaScript?

    <p>Asynchronous data loading without page refresh</p> Signup and view all the answers

    What do object literals define in JavaScript?

    <p>Inline object definitions</p> Signup and view all the answers

    What are the characteristics of object properties in JavaScript?

    <p>'Writable', 'enumerable', 'configurable' attributes control property behavior</p> Signup and view all the answers

    'Encapsulation' in object-oriented programming refers to:

    <p>Hiding implementation details and restricting access to the object's data</p> Signup and view all the answers

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