The <feMerge> SVG element allows filter effects to be applied concurrently instead of sequentially. This is achieved by other filters storing their output via the result attribute and then accessing it in a <feMergeNode> child.

The <feOffset> SVG filter primitive enables offsetting an input image relative to its current position. The input image as a whole is offset by the values specified in the dx and dy attributes.

Programming languages all have built-in data structures, but these often differ from one language to another. This article attempts to list the built-in data structures available in JavaScript and what properties they have. These can be used to build other data structures.

SVG elements can be modified using attributes that specify details about exactly how the element should be handled or rendered.

The [Symbol.iterator]() method of arguments objects implements the iterable protocol and allows arguments objects to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an array iterator object that yields the value of each index in the arguments object.

The <polygon> SVG element defines a closed shape consisting of a set of connected straight line segments. The last point is connected to the first point.

The Object type represents one of JavaScript's data types. It is used to store various keyed collections and more complex entities. Objects can be created using the Object() constructor or the object initializer / literal syntax.

The <symbol> SVG element is used to define graphical template objects which can be instantiated by a <use> element.

The <style> SVG element allows style sheets to be embedded directly within SVG content.

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