Learn to request data from external servers using the Fetch API and process JSON objects to build dynamic, data-driven web applications.
💬AIインストラクター どのレッスンでも質問すれば、いつでもすぐに分かりやすい答えが返ってきます。
🕐いつでも開始 スケジュールも締め切りもなし。自分のペースで、好きなときに学べます。
🌐日本語で レッスン、課題、修了証まで、すべてあなたの言語で。
このコースについて
Modern web development relies on the ability to pull data from external sources to keep content fresh and interactive. This course bridges the gap between static scripts and dynamic applications by teaching you how to communicate with web servers effectively.
You will transition from writing basic code to building applications that communicate with the world, learning how to handle asynchronous requests and complex data structures. By the end of this course, you will be able to retrieve, parse, and display live data from any public API.
What you'll learn:
- Understand the fundamentals of JavaScript objects and JSON data structures
- Master the Fetch API to perform requests to external web servers
- Implement async/await patterns for clean and efficient asynchronous code
- Parse and iterate through multi-layered JSON data to extract specific information
- Handle API errors and network failures gracefully using modern try-catch blocks
- Configure a local development environment using Node and Express for testing
The course begins with foundational concepts of data formats and objects before progressing to practical API integration and local server configuration. You will practice through written examples that demonstrate how to transform raw data into functional application features.
This course is designed for beginners who have a basic grasp of JavaScript and want to start working with live data. No prior experience with APIs or backend technologies is required.
Start building more powerful, data-connected applications today.