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Vuejs is a lightweight framework inspired by Angular in 2013. It was originally renamed Seed; to vue in December 2013. The icon color represents vibrant green, and the version number is "0.6.0". On January 24, 2014, vue was officially released with the version number "0.8.0".

The operating environment of this tutorial: windows7 system, vue2.9.6 version, DELL G3 computer.

Vue is a progressive framework for building user interfaces.

Unlike other large frameworks, Vue is designed to be applied layer by layer from the bottom up.

At first, it was just a personal project, but today, it has become one of the three front-end frameworks in the world. 150000 Star on github is ahead of React and Angular, and it is the first choice in China.

Its design ideas and coding skills are also used for reference and imitated by many frameworks.

Important version release

In 2013, you Yuxi, who works at Google, was inspired by Angular to develop a lightweight framework originally named Seed.

In December 2013, the name was changed to Vue, and the color of the icon was the vibrant green. The version number was 0.6.0.

In January 2014, 24Jing Vue was officially released to the public, and the version number is 0.8.0.

February 25th, 2014. The release of 0.9.0, with its own code name: Animatrix, since then, important versions will have their own code name.

June 13, 2015. PHP 0.12.0, codenamed Vue,Vue Community (the community of a popular PHP framework), also became well known in the JS community for its first use of Vue,Vue.

October 26th, 2015 Evangelion 1.0.0 Evangelion is the first milestone in the history of Vue. In the same year, vue-router, vuex and vue-cli were released one after another, marking the development of Vue from a view-level library to a progressive framework.

The second important milestone is 2016.10.01, which incorporates React's virtual Dom scheme and supports server-side rendering. Since the release of Vue 2.0, Vue has become a hot topic in the front-end domain.

2019.02.05 Magi Vue released 2.6.0, which is a link between the past and the future, and 3.0.0 will be released after it.

In 2019.12.05, you Yuxi released the source code of Vue 3, which is currently in the Alpha version.

Vue 1.0

The original goal of Vue was to be a good complement to large projects.

The design idea is a kind of "progressive framework", which plays down the proposition of the framework itself and reduces the complexity of the framework as a tool, thus reducing the requirements for users.

Major improvement

Provide abbreviations for instructions

Provide abbreviations for v-bind and v-on:

Write all

Abbreviations

Full abbreviation

Clean up the interfaces provided by streamlining

Improve the rendering efficiency of initialization

Replace the v-repeat instruction with the v-for instruction. At the same time, the rendering of this command is optimized, and the efficiency is doubled.

Enhancements to two official tools: vue-loader and vueify

Vue 2.0

Version 2.0 has done a great deal of refactoring of Vue, and its performance has been greatly improved, which has laid the foundation for future cross-end development.

New improvements

Performance

2.0 overrides the render layer with a lightweight Virtual DOM implementation of fork self-snabbdom.

On top of it, Vue's template compiler can do some intelligent optimization at compile time, such as analyzing and extracting static subtrees to avoid unnecessary comparisons during interface redrawing.

The new rendering layer brings a huge performance improvement and makes Vue 2.0 one of the fastest frameworks.

Server rendering

Vue 2.0 supports server-side rendering (SSR) and is streaming and can be cached at the component level, which makes extremely fast rendering possible.

Vue 3.0

3. 0 is a very large refactoring, with the source code rewritten in TypeScript. More than 98% of the current code is written in TypeScript.

On September 18, 2020, Vue.js 3.0 was officially released. This release framework itself has brought several major improvements, as well as some summary of the function and process!

Version 3.0 represents more than 2 years of development work.

With more than 30 RFC

More than 2600 submissions

From 99 contributors

628 pull requests

A lot of development and documentation work

Performance optimization

Routing lazy loading

Keep-alive cache page

Reuse DOM with v-show

V-for traversal to avoid using v-if at the same time

Long list performance optimization

Destruction of events

Picture lazy load

Third-party plug-ins are introduced on demand

Stateless components are marked as functional components

Sub-component segmentation

Variable localization

SSR

Better TypeScript integration

Improved TypeScript support, editor can provide powerful type checking and error and warning

Better debugging support

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