Mastering JavaScript Event Delegation and DOM Manipulation Quiz
5 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which function is being used to ensure that the code runs after the document is fully loaded?

  • $('.js-add-product')
  • $('.js-options-sizes').is(':visible')
  • $(document).on('click', function (e)
  • $(document).ready(function () (correct)

    • What is the purpose of the 'preventDefault()' function in this code?

  • To check if size and color options are visible
  • To open the login form
  • To stop the default action of an element (correct)
  • To add a product to the cart

    • What is the value of the 'product_id' variable in this code?

  • $(e.target.parentElement).hasClass('js-add-product')
  • $('.js-options-sizes').is(':visible')
  • $(e.target).hasClass('js-add-product')
  • $(e.target).closest('.js-product-wrapper').attr('data-product-id') (correct)

    • What conditions need to be met in order to display a warning message using 'toastr.warning()' in this code?

    <p>The user needs to select a size or color</p> Signup and view all the answers

    What is the purpose of the 'is(':visible')' function in this code?

    <p>To check if the size options are visible</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser