Vue Js Wikipedia

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Examples[edit]

  • Vue.js (commonly referred to as Vue; pronounced "view"[4]) is an open-sourcemodel–view–viewmodelfront endJavaScript framework for building user interfaces and single-page applications.[10] It was created by Evan You, and is maintained by him and the rest of the active core team members.[11].
  • Vue.js features an incrementally adaptable architecture that focuses on declarative rendering and component composition.

History[edit]

  • The core library is focused on the view layer only.[4] Advanced features required for complex applications such as routing, state management and build tooling are offered via officially maintained supporting libraries and packages.[12].
  • Vue.js allows for extending HTML with HTML attributes called directives.[13] The directives offer functionality to HTML applications, and come as either built-in or user defined directives.
  • Vue was created by Evan You after working for Google using AngularJS in several projects.
  • He later summed up his thought process: "I figured, what if I could just extract the part that I really liked about Angular and build something really lightweight."

Ready for More?

  • [14] The first source code commit to the project was dated July 2013, and Vue was first released the following February, in 2014.
  • Version names are often derived from manga and anime, most of which are within the science fiction genre.
  • When a new major is released ie v3.y.z, the last minor ie 2.x.y will become a LTS release for 18 months (bug fixes and security patches) and for the following 18 months will be in maintenance mode (security patches only).[33].

General guidelines[edit]

  • Vue components extend basic HTML elements to encapsulate reusable code.
  • At a high level, components are custom elements to which the Vue's compiler attaches behavior.
  • In Vue, a component is essentially a Vue instance with pre-defined options.[34]The code snippet below contains an example of a Vue component.

References[edit]

  • The component presents a button and prints the number of times the button is clicked:.

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  • Vue uses an HTML-based template syntax that allows binding the rendered DOM to the underlying Vue instance's data.
  • All Vue templates are valid HTML that can be parsed by specification-compliant browsers and HTML parsers.
  • Vue compiles the templates into virtual DOM render functions. A virtual Document Object Model (or "DOM") allows Vue to render components in its memory before updating the browser.
  • Combined with the reactivity system, Vue can calculate the minimal number of components to re-render and apply the minimal amount of DOM manipulations when the app state changes.

Composing with Components

  • Vue users can use template syntax or choose to directly write render functions using hyperscript either through function calls or JSX.[35] Render functions allow applications to be built from software components.[36].
Vue features a reactivity system that uses plain JavaScript objects and optimized re-rendering.