JavaScript References W3Schools maintains a complete JavaScript reference, including all HTML and browser objects. The reference contains examples for all properties, methods and events, …

2025年7月8日 · Functions are one of the fundamental building blocks in JavaScript. A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a …

It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino and Node. Using a modular script loader like RequireJS will improve the speed and quality of …

2021年8月26日 · Functions are custom code defined by programmers that are reusable, and can therefore make your programs more modular and efficient. In this tutorial, we will learn several …

In this tutorial you will learn how to define and call a function in JavaScript. What is Function? A function is a group of statements that perform specific tasks and can be kept and maintained …

JavaScript is a high-level, often just-in-time–compiled language that conforms to the ECMAScript standard. [11] . It has dynamic typing, prototype-based object-orientation, and first-class …

2021年3月29日 · JavaScript is a dynamic programming language that's used for web development, in web applications, for game development, and lots more. It allows you to …

2022年5月3日 · JavaScript is a programming language that the vast majority of websites use to perform client-side tasks. It is utilized in combination with HTML and CSS to create the layouts …

2025年6月23日 · In this article we will look at JavaScript from a high level, answering questions such as "What is it?" and "What can you do with it?", and making sure you are comfortable …

JavaScript functions are defined with the function keyword. You can use a function declaration or a function expression.