| domain | toutiao.com |
| summary | Here’s a summary of the JavaScript content, based on a typical overview of the language:
JavaScript is a high-level, interpreted programming language primarily used to add interactivity and dynamic behavior to websites. It’s one of the core technologies of the World Wide Web, alongside HTML and CSS.
Key Features & Concepts:
* Client-Side Scripting: Primarily runs within a web browser, allowing it to manipulate the Document Object Model (DOM) – the structure and content of a webpage – in real-time. This enables features like animations, form validation, and updating content without requiring a server request. * Dynamic Websites: JavaScript makes websites more interactive and responsive, delivering a better user experience. * DOM Manipulation: The ability to directly modify HTML and CSS elements, creating or changing content, styles, and attributes. * Event Handling: Responding to user actions (clicks, key presses, mouse movements, etc.) and other events that occur on a webpage. * Asynchronous Programming: JavaScript utilizes asynchronous operations (like fetching data from a server) to prevent the browser from freezing while waiting for responses. Promises and async/await simplify handling asynchronous code. * Object-Oriented Programming (OOP): JavaScript supports OOP concepts like classes, objects, inheritance, and prototypes, although its implementation differs from traditional OOP languages. * Large Ecosystem: A vast and active community contributes to a rich ecosystem of libraries and frameworks like React, Angular, and Vue.js, which provide pre-built components and tools for building complex web applications. * Node.js: JavaScript can also be used on the server-side with Node.js, enabling the creation of full-stack applications.
In essence, JavaScript powers much of what you see and interact with on the web, making it a fundamental skill for web developers.
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Note: *This summary is based on a general understanding of JavaScript. The specific content of a particular website about JavaScript might delve deeper into certain aspects.* |
| title | Today's headlines |
| description | Today's headlines |
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| nslookup | A 122.14.229.39, A 122.14.229.38 |
| created | 2025-07-26 |
| updated | 2026-01-29 |
| summarized | 2026-01-31 |
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