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The predecessor of Svelte is Ractive.js, which Rich Harris created in 2013. [11] Version 1 of Svelte was written in JavaScript and was released on 29 November 2016. [12] The name Svelte was chosen by Rich Harris and his coworkers at The Guardian. [12] Version 2 of Svelte was released on 19 April 2018.
A virtual DOM is a lightweight JavaScript representation of the Document Object Model (DOM) used in declarative web frameworks such as React, Vue.js, and Elm. [1] 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.
Svelte is a framework for building user interfaces that compiles Svelte code to JavaScript DOM (Document Object Model) manipulations, avoiding the need to bundle a framework to the client, and allowing for simpler application development syntax.
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.
In web development, hydration or rehydration is a technique in which client-side JavaScript converts a web page that is static from the perspective of the web browser, delivered either through static rendering or server-side rendering, into a dynamic web page by attaching event handlers to the HTML elements in the DOM. [1]
React DOM – Fix passive effects (useEffect) not being fired in a multi-root app. React Is – Fix lazy and memo types considered elements instead of components 16.13.0 26 February 2020 Features added in React Concurrent mode. Fix regressions in React core library and React Dom. 16.14.0 14 October 2020 Add support for the new JSX transform. 17.0.0
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.
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.