Course Content
Advanced JavaScript Mastery
Advanced JavaScript Mastery
1. Mastering JavaScript Classes and Inheritance
Getting StartedUnderstanding Class Declarations in JavaScriptChallenge: Create a JavaScript ClassDefining Methods in JavaScript ClassesChallenge: Add Methods to a ClassUsing Parameter ObjectsWorking with Private Properties in ClassesChallenge: Implement Private Properties in a ClassManaging Properties with Getters and SettersChallenge: Implement Getters and Setters in a ClassExploring Static Properties in JavaScriptUsing Static Methods in JavaScriptChallenge: Implement Static Properties and Methods in a ClassUnderstanding Inheritance with extends and super()Challenge: Implement Class Inheritance with extends and super()
2. DOM Manipulation for Interactive Web Development
What Is the Document Object Model (DOM)?Querying and Selecting Elements in the DOMChallenge: Query and Select DOM ElementsUnderstanding the DOM Hierarchy and RelationshipsChallenge: Navigate the DOM HierarchyExploring DOM Properties in JavaScriptWorking with Element Attributes in the DOMChallenge: Manage Element Properties and AttributesAdding Elements to the DOM DynamicallyRemoving Elements From the DOMChallenge: Add and Remove DOM ElementsModifying Element Styles with JavaScriptChallenge: Apply Dynamic Styles to DOM Elements
3. Event Handling and User Interactions in JavaScript
4. Asynchronous JavaScript and API Integration
Introduction to Asynchronous JavaScriptUnderstanding Callbacks in JavaScriptHandling Asynchronous Operations with PromisesUsing Async/Await for Cleaner Asynchronous CodeFetching and Working with APIs in JavaScriptIntegrating APIs in JavaScript ApplicationsChallenge: Fetch and Use API DataIntegrating Third-Party Libraries in JavaScriptChallenge: Work with Third-Party LibrariesHandling Multiple Asynchronous Requests
Challenge: Fetch and Use API Data
Task
You are building a webpage that displays a list of dog breeds and their information fetched from the Dog API. When the user clicks the "Load Breeds" button, data should be fetched from the API, and breed information (name, description, and life span) should be displayed on the webpage. Handle any potential errors and provide feedback in the HTML.
Fetch Data from API: When the "Load Breeds" button is clicked
- Fetch data from
https://dogapi.dog/api/v2/breeds
; - Parse the JSON response;
- If the data is successfully fetched, proceed to the next step;
- If an error occurs while fetching data, display
"Failed to load breeds. Please try again later."
in theerror-message
element.
index.html
index.css
index.js
- Use
fetch('https://dogapi.dog/api/v2/breeds')
to fetch data fromhttps://dogapi.dog/api/v2/breeds
; - Use
response.json()
to parse the JSON response; - After parsing the data in the following
then
block, call thedisplayBreeds
function and providedata.data
as an argument; - In the
catch
block, handle any potential errors.
index.html
index.css
index.js
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Section 4. Chapter 7