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Web Development With jQuery, Ajax and JSON Certification – The Digital Adda

Web Development With jQuery, Ajax and JSON Certification – The Digital Adda

Web development with jQuery, Ajax, and JSON is a powerful combination that allows you to create dynamic and interactive web applications. Here’s a brief overview of each technology and how they work together:

jQuery: jQuery is a popular JavaScript library that simplifies HTML document traversal, event handling, animation, and provides an easy-to-use API for interacting with the Document Object Model (DOM). It provides a wide range of utility functions and simplifies common tasks, making it easier to manipulate and interact with web page elements.

Ajax (Asynchronous JavaScript and XML): Ajax is a technique that allows you to send and receive data from a web server asynchronously without interfering with the user’s interaction on the web page. It enables you to update parts of a web page without refreshing the entire page. With Ajax, you can send HTTP requests in the background and handle the responses dynamically, typically using JavaScript.
JSON (JavaScript Object Notation): JSON is a lightweight data interchange format that is easy for humans to read and write and easy for machines to parse and generate. It is based on a subset of JavaScript syntax and is often used for transmitting data between a server and a web application. JSON data is represented as key-value pairs and supports nested structures, making it ideal for structuring and transferring data.

Get Web Development With jQuery, Ajax and JSON Certificate from The Digital Adda which you can share in the Certifications section of your LinkedIn profile, on printed resumes, CVs, or other documents.

Exam Details :

  • Format: Multiple Choice Question
  • Questions: 10
  • Passing Score: 8/10 or 80%
  • Language: English

Here are the questions and answers :

Ajax is used to communicate with the server without refreshing the web page.

True
False

What are the advantages of jQuery? Choose three answers.

It uses a lot of memory when the data is from the same page.
It enhances speed as there is no need to reload the page again.
It provides a rich set of features that increases productivity.
It provides excellent cross-browser support without writing extra code.

What are jQuery events?

It is used to request data from the server with an HTTP GET or POST request.
It is the method of loading data from a server.
The process of exchanging data with a server without refreshing the page.
The interactions of the user with the web page.

What is one of the functions of PHP?

It edits and formats the existing documents.
It create, read, write, delete, and close files on the server.
It makes statistical analysis and good looking dashboard.
It detects grammatical errors in a text document.

What are the three benefits of using JSON? Choose three answers.

It sends a JavaScript object to a server in pure text format.
It receives pure text from a server and use it as a JavaScript object.
It work with data as JavaScript objects with no complicated parsing and translations.

It updates a web page without reloading the page.

What are the steps for creating an ajax chat application? Choose three answers.

Removing user chat list information.
HTML markup.
CSS styling to make our chat application look better.
Using PHP to create a login form.

Which of the following file helps in building a live chat system?

Window.jQuery
Index.php
Ajax.GetJson
Json.php

Which one of the following files helps in creating a javascript file?

Logout.php
Chat.js
Login.php
JSON

The chat.entry.bind (‘Keydown’, function (e) is an event that enables someone to move down the chat box.

True
False

Which one of the following is used to hide the element?

Hide
Display
No show
Hidden

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