This guide talks about how to do resource management in JavaScript. Resource management is not exactly the same as memory management, which is a more advanced topic and usually handled automatically by JavaScript. Resource management is about managing resources that are not automatically cleaned up by JavaScript. Sometimes, it's okay to have some unused objects in memory, because they don't interfere with application logic, but resource leaks often lead to things not working, or a lot of excess memory usage. Therefore, this is not an optional feature about optimization, but a core feature to write correct programs!

There are several ways to create and manipulate SVG using JavaScript. This document describes event handling, interactivity and working with embedded SVG content.

JavaScript is a multi-paradigm, dynamic language with types and operators, standard built-in objects, and methods. Its syntax is based on the Java and C languages — many structures from those languages apply to JavaScript as well. JavaScript supports object-oriented programming with object prototypes and classes. It also supports functional programming since functions are first-class objects that can be easily created via expressions and passed around like any other object.

The ArrayBuffer object is used to represent a generic raw binary data buffer.

The <feMergeNode> SVG takes the result of another filter to be processed by its parent <feMerge>.

Synchronized Multimedia Integration Language (SMIL) is an XML-based language for writing interactive multimedia presentations. Authors can use SMIL syntax in other XML-based languages to define the timing and layout of elements for animation.

The toString() method of Function instances returns a string representing the source code of this function.

Let us dive straight in with an example. Take a look at the following code.

This page lists guides for SVG, covering topics such as embedding, MIME (media) types, handling scripts, animations, filters, and more.

The AsyncGenerator object is returned by an async generator function and it conforms to both the async iterable protocol and the async iterator protocol.