What is JavaScript (JS)?

2026-10-07来源 dev.to JavaScriptEnglish

JavaScript (JS) is a programming language used to make web pages interactive and dynamic.

HTML creates the structure, CSS creates the design, and JavaScript adds behavior and functionality.

Example:

let name = "Sathish";

console.log("Hello " + name);

Output:

Hello Sathish

原文：https://www.a8q9.cn/en/article/what-is-javascript-js-875d12.html

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