JS

JavaScript.info

A complete tutorial on modern JavaScript, from basic syntax to advanced concepts, one of the best free resources for learning JavaScript.

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Overview

Website introduction

The Modern JavaScript Tutorial is the most comprehensive and in-depth free JavaScript tutorial available. From basic language syntax to browser DOM operations, network requests and regular expressions, the content is systematic and easy to understand.

JavaScript is the cornerstone of AI web applications—almost all front-end interfaces for AI products are built in JavaScript. Learning JavaScript well not only allows you to develop AI-driven web applications, but also calls various AI APIs through Node.js to automate workflows.

Core learning content

  • language core: Variables, data types, functions, objects, classes, modularity
  • Asynchronous programming:Promise, async/await, event loop mechanism
  • Browser operations:DOM operation, event processing, network request (Fetch API)
  • Advanced themes: Closure, prototype chain, iterator, generator

Suitable for whom

  • Front-end developers who want to master JavaScript systematically
  • Job seekers who need a deep understanding of principles to prepare for front-end interviews
  • Developers who want to use JavaScript to call AI API to build applications

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