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Since generating a virtual DOM is relatively fast, any given framework is free to rerender the virtual DOM as many times as needed relatively cheaply. The framework can then find the differences between the previous virtual DOM and the current one (diffing), and only makes the necessary changes to the actual DOM (reconciliation).
The Document Object Model (DOM) is a cross-platform and language-independent interface that treats an HTML or XML document as a tree structure wherein each node is an object representing a part of the document. The DOM represents a document with a logical tree. Each branch of the tree ends in a node, and each node contains objects.
Another notable feature is the use of a virtual Document Object Model, or Virtual DOM. React creates an in-memory data-structure cache, computes the resulting differences, and then updates the browser's displayed DOM efficiently. [31] This process is called reconciliation. This allows the programmer to write code as if the entire page is ...
In linguistics, differential object marking (DOM) is the phenomenon in which certain objects of verbs are marked to reflect various syntactic and semantic factors. One form of the more general phenomenon of differential argument marking, DOM is present in more than 300 languages. The term "differential object marking" was coined by Georg Bossong.
Historically, like DOM, the event models used by various web browsers had some significant differences which caused compatibility problems. To combat this, the event model was standardized by the World Wide Web Consortium (W3C) in DOM Level 2.
Lightweight frameworks, such as Svelte and Preact, take different architectural approaches, with Svelte eliminating the virtual DOM entirely in favor of compiling components to efficient JavaScript code, and Preact offering a minimal, compatible alternative to React.
Virtual Token Descriptor (VTD) applies the concept of non-extractive, document-centric parsing to XML processing. A VTD record uses a 64-bit integer to encode the offset, length, token type and nesting depth of a token in an XML document.
The reality–virtuality continuum therefore encompasses all possible variations and compositions of real and virtual objects. It has been described as a concept in new media and computer science. The concept was first introduced by Paul Milgram. [1] The area between the two extremes, where both the real and the virtual are mixed, is called ...