JavaScript Recursion Quiz
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Questions and Answers

Which of the following best describes recursion in programming?

  • A technique where a function modifies a variable repeatedly until it reaches a specific condition or base case.
  • A technique where a function calls another function repeatedly until it reaches a specific condition or base case.
  • A technique where a function returns a value repeatedly until it reaches a specific condition or base case.
  • A technique where a function calls itself repeatedly until it reaches a specific condition or base case. (correct)

    • What is the purpose of recursion in JavaScript?

  • To modify a variable multiple times.
  • To return a value multiple times.
  • To execute a function multiple times.
  • To solve complex problems by breaking them down into smaller, more manageable sub-problems. (correct)

    • What are some potential issues with recursion?

  • It can only be used with simple problems.
  • It can lead to infinite loops or excessive memory usage if not implemented correctly. (correct)
  • It can only be used with a limited number of data types.
  • It can only be used with a limited number of programming languages.

    • Which HTTP method is often used to create new resources on the server or perform actions that cause state changes?

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

    Which of the following statements about recursion is true?

    <p>Recursion is a programming technique where a function calls itself repeatedly until it reaches a specific condition or base case.</p> Signup and view all the answers

    What is the difference between PUT and POST methods in HTTP?

    <p>PUT is used to update or replace an existing resource on the server, while POST is used to create a new resource on the server.</p> Signup and view all the answers

    What is the difference between GET and POST methods in HTTP?

    <p>GET is used to retrieve data from the server, while POST is used to update or replace an existing resource on the server.</p> Signup and view all the answers

    What is the purpose of the XMLHttpRequest object in JavaScript?

    <p>To retrieve data from a server asynchronously without reloading the entire web page</p> Signup and view all the answers

    Which of the following HTTP methods does NOT support idempotence?

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

    What is recursion in programming?

    <p>A function that calls itself repeatedly until it reaches a specific condition</p> Signup and view all the answers

    What is the main risk associated with recursion in programming?

    <p>It can result in an infinite loop</p> Signup and view all the answers

    Study Notes

    Recursion in Programming

    • Recursion is a programming technique where a function calls itself repeatedly until it reaches a base case that stops the recursion.
    • The purpose of recursion in JavaScript is to solve complex problems by breaking them down into smaller sub-problems of the same type.

    HTTP Methods

    • The POST method is often used to create new resources on the server or perform actions that cause state changes.
    • The main difference between PUT and POST methods is that PUT is used to update an existing resource, while POST is used to create a new resource.
    • The main difference between GET and POST methods is that GET is used to retrieve data from the server, while POST is used to send data to the server to create a new resource or perform an action.
    • GET, PUT, and DELETE methods are idempotent, meaning that making multiple requests with the same input will have the same effect as making a single request.
    • POST is not idempotent, as making multiple requests with the same input can result in multiple resources being created.

    XMLHttpRequest Object

    • The XMLHttpRequest object in JavaScript is used to send HTTP requests to the server and receive data in response.

    Risks of Recursion

    • The main risk associated with recursion in programming is a stack overflow, which occurs when the function calls itself too many times and exceeds the maximum stack size.
    • Recursion can also lead to performance issues, as it can be slower and more memory-intensive than other programming techniques.

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    Description

    Test your knowledge of JavaScript recursion with this quiz! Challenge yourself with questions on base cases, recursive functions, and problem-solving techniques.

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