API for beginners JavaScript Getting Started with APIs AJAX

Learn to connect to APIs with JavaScript and Ajax, retrieve JSON data, and dynamically update HTML without page refresh. Build familiarity with fetch, JSON parse, and API endpoints.

Explore API tools with the brackets editor and Chrome DevTools, and set up a simple HTML page to practice fetch requests against JSON placeholder endpoints.

Create and configure an XMLHttpRequest to fetch API data with GET, open and send the request, track readyState changes, and log the response to the console.

Learn how ajax requests fetch data from a web API, handle status codes like 200, 404, and 500, and convert response text to an object using JavaScript methods.

Turn string data into a JavaScript object with JSON.parse to access category, icon URL, id, url, and value, then display it on the page.

Learn to wire a button click to a joke API using querySelector and an event listener in JavaScript, fetching a new joke via Ajax and updating the page content.

Learn to enhance ajax requests by checking ready state and status 200, handling errors, and using event listeners such as progress, load, and error to monitor API calls.

Connect to the random user API using an XMLHttpRequest, pass a numeric results parameter, and handle onload to retrieve and display emails on the page.

Master error handling in API requests by checking on load, ready state, and status 200, grasp JSON over CSV, and prepare for promises with fetch in the next lesson.

Learn to use the fetch API in JavaScript to connect to an API endpoint, handle promises, convert responses to JSON, and iterate results.

Fetch array objects from a dynamic url, iterate over data.results with a for loop, and render each name to the page using JavaScript fetch.

Learn to fetch various response types with JavaScript: convert responses to json, blob for images via createObjectURL, and text for plain strings, and dynamically display or log results.

Master fetch error handling in JavaScript by using JSON payloads, catch blocks, and console logging to return a callback and gracefully handle incorrect urls.

Learn to enhance fetch requests by adding parameters and headers, creating a request object with a URL, and using the get method with mode and caching options.

Set up your own endpoint with a JSON service and connect to it using fetch. Retrieve JSON objects and arrays from the endpoint and display messages on your webpage.

Learn to shorten JavaScript functions using arrow syntax in fetch calls, replacing function and return with concise one-line arrow expressions, and handle JSON responses.

Experiment with fetch to retrieve JSON data from a placeholder API, practice posts, comments, and images, and explore the Star Wars API and countries API for hands-on learning.

Build a mini country finder app using the rest countries API. Fetch all 250 countries, populate a dynamic dropdown, and show selected country details such as capital, currency, and language.

Learn to fetch countries from an api, populate a dynamic dropdown, handle on-change events, and display country details such as flag and population in html.

Learn to connect to APIs using AJAX methods, including XMLHttpRequest and fetch, experiment with data from various APIs, and build a simple JavaScript app that outputs API data into HTML.