2 days ago · Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP. We concentrate on the language itself here, with the minimum of environment-specific …

Aug 8, 2022 · JavaScript was initially created as a browser-only language, but it is now used in many other environments as well. Today, JavaScript has a unique position as the most widely …

Here we learn JavaScript, starting from scratch and go on to advanced concepts like OOP. We concentrate on the language itself here, with the minimum of environment-specific notes.

An introduction About the JavaScript language and the environment to develop with it.

现代 JavaScript 教程 以最新的 JavaScript 标准为基准。 通过简单但足够详细的内容，为你讲解从基础到高阶的 JavaScript 相关知识。

The modern mode, "use strict" Variables Data types Interaction: alert, prompt, confirm Type Conversions Basic operators, maths Comparisons Conditional branching: if, '?' Logical …

JavaScript 简介 手册与规范 代码编辑器 开发者控制台 Ctrl + ← Ctrl + →

Oct 14, 2022 · In JavaScript, a default parameter is evaluated every time the function is called without the respective parameter. In the example above, anotherFunction() isn’t called at all, if …

让我们来一起学习 JavaScript 脚本构建的基础知识。 Hello, world! 代码结构 现代模式，"use strict" 变量 数据类型 交互：alert、prompt 和 confirm 类型转换 基础运算符，数学运算 值的比较 条 …

Oct 14, 2022 · Origin – the origin of the client page, e.g. https://javascript.info. WebSocket objects are cross-origin by nature. There are no special headers or other limitations. Old servers are …