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Learn JavaScript AJAX in 1 hour
Rating: 4.0 out of 5(184 ratings)
7,868 students

Learn JavaScript AJAX in 1 hour

Guide to Dynamic JavaScript send and receive data from external files. No page reload create JavaScript Objects JSON
Created byLaurence Svekis
Last updated 11/2024
English
English [Auto],

What you'll learn

  • use AJAX to GET external file data
  • use AJAX to POST data to server files
  • Create seamless interactive content
  • use AJAX within web applications for data and dynamic content

Course content

2 sections • 21 lectures • 55m total length

  • AJAX course introduction3:00

    Learn to implement Ajax with JavaScript, pull external JSON content, post form data to a PHP file, handle and render JSON responses in HTML without page reload.

  • Course Resource Overview2:07

    Explore essential resources for learning ajax in javascript, including editors like Dreamweaver, Chrome dev tools, console log, and CodePen.io, to establish a real-time browser-based coding workflow.

  • What is XMLHttpRequest3:34

    Learn to use AJAX with plain JavaScript by creating an XMLHttpRequest to send and receive data without page reloads, using the console to inspect readyState and responseText.

  • Create Connection to external file4:29

    Learn how to create a connection to another page using Ajax in JavaScript, send a get request, and handle asynchronous ready states and responses.

  • What is readyState3:41

    Learn to listen for ready state changes in an Ajax request, log transitions from 0 to 4, and understand each state: uninitialized, loading, loaded, interacting, and complete.

  • httpRequest status check3:38

    Learn to handle ajax calls by monitoring the ready state and status, console logging progress, and acting when the request completes (state 4) with 200 or 404 responses.

  • Get and output file contents into HTML elements4:14

    Learn how to fetch file contents with JavaScript AJAX and display the response in HTML elements. Use XMLHttpRequest readyState and status checks, then insert the data with innerHTML or text.

  • Source Code AJAX request0:08
  • Tips and Tweaks with AJAX4:50

    Explore ajax patterns to fetch data from an external file, either inline or as a standalone function, trigger via a click, and manage ready state and status 200.

  • Source Code options0:08
  • encoding data to post via AJAX3:46

    Transform a get into a post in AJAX by encoding data with URL encoding, forming key-value pairs, and posting to a local server endpoint to test with an AJAX request.

  • Create PHP endpoint4:19

    Create a PHP endpoint to receive data posted via ajax, capture name and data values, and return a json response for dynamic frontend rendering.

  • PHP server source code0:04
  • Post data to the server get callback response2:18

    Learn how to post data to a server and handle the callback response by configuring a post request, encoding headers, and setting the content type for data submission.

  • Send input data to server4:42

    Create input fields with IDs and a styled button, capture user text with document.getElementById, encode the data, and send it to the server via ajax, handling responses.

  • AJAX Parse response JSON data to output to HTML elements3:18

    Parse JSON data from AJAX responses with JavaScript, outputting to HTML elements and enabling seamless, dynamic content from server roundtrips on web pages.

  • Source Code AJAX Post data0:14
  • How to practice AJAX create JSON files5:47

    Practice ajax with json data by loading and parsing json files on a local server, using CodePen to test calls and render data in web pages.

  • Course Resources0:04

Requirements

  • basic JavaScript HTML knowledge
  • computer access
  • desire to learn

Description

Do you want to create a better user experience within your web content?

Learn how to create AJAX calls with JavaScript.  Just JavaScript power up with AJAX

AJAX is for you, its perfect for creating seamless interactions between your JavaScript web browser and external files.  Great for server connections.

Be ready to be amazed!

AJAX can get data from external files and load them into your JavaScript without reloading the web page.  No page reloads!

AJAX can send data to a server and receive callback data to use within your JavaScript logic

AJAX is perfect for JSON data, works well connecting the server content to web content.

This course is designed to deliver a step by step learning experience so that you can learn AJAX quickly.  Get started with your own web applications learn AJAX and take your content to the next level.

Learn about

  • Getting external file content
  • Posting content to a server
  • Using JSON data parsing and outputting to your HTML elements

Knowing how to use AJAX can set you apart, and understanding AJAX is the key to better user experience.  I'm here to help you learn AJAX and ready to answer any questions you may have. 

By the end of the course you will have the skills and resources needed to make your own AJAX calls.



Who this course is for:

  • web developers web designers
  • anyone looking to do more online
  • anyone who wants to pass and receive data asynchronously

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