Question: What are some real life applications of jQuery? Name at least two you can think of

  • Form Validation: Validate user input on the client side before submitting the form to the server
  • Slideshows, galleries, etc.: Create image galleries and sliders on websites with animation capabilities make it easy to implement features like image slideshows and lightboxes

popcorn hack: talk about usage of one of four elements of CRUD from your project in tri 1. Focus on how CRUD was implemented.

  • My project last trimester was a JFreechart implementation where users can input a number and it creates a dataset in the backend, this employed the ‘R’ functionality of CRUD as the server has to read the user input in order to create a real-time graph.

Free Response and MCQ

  1. What does CRUD stand for?
    • Create
    • Read
    • Update
    • Delete
  2. What are the HTTP verbs that are associated with each CRUD action?
    • C - POST
    • R - GET
    • U - UPDATE
    • D - DELETE
  3. What is JQuery?
    • a library that allows us to use some of JavaScript’s built in functions
  4. Match A, B, and C into the JQuery event handler for a data table
    • A: ‘click’
    • B: ‘.delete-btn’
    • C: ‘#data-table’

    $(???).on(???, ???, function() { // code });

$(‘.delete-btn’).on(click, #data-table, function() { //code });

  1. Why do we use JQUERY with CRUD?
    • JQuery is frontend, while CRUD is done on backend. Using the combination of the two allows for efficient and simpler backend and frontend code connections.

Finish the update JQUERY function

  • its all the way at the end, you should see the green comment
  • you can choose to use the two lines I’ve already given or not
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