Features of vue.js: 1. Lightweight framework with simple and flexible API; 2. Two-way data binding, using simple template syntax to integrate declarative rendering of data into the DOM; 3. Instructions ; 4. Componentization, which can extend HTML elements and encapsulate reusable code; 5. Client routing; 6. State management, etc.
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The main features of Vue.js
Vue.js is an excellent JavaScript library for front-end interface development. It is very popular because it has many outstanding features, the main ones of which are as follows.
1) Lightweight framework
Vue.js can automatically track dependent template expressions and calculated properties, provides MVVM data binding and a composable component system, with simple, The flexible API makes it easier for readers to understand and get started faster.
2) Two-way data binding
Declarative rendering is the main embodiment of two-way data binding, and is also the core of Vue.js. It allows declarative rendering of data using concise template syntax. Integrate into DOM.
3) Instructions
Vue.js interacts with the page, mainly through built-in instructions. The function of the instruction is to change certain behaviors accordingly when the value of its expression changes. Applied to the DOM.
4) Componentization
Component (Component) is one of the most powerful features of Vue.js. Components can extend HTML elements, encapsulating reusable code.
In Vue, parent-child components communicate through props, one-way transmission from parent to child. The child component communicates with the parent component and notifies the parent component of data changes by triggering events. This forms a basic father-child communication model.
When the components during development have a very close relationship with HTML, JavaScript, etc., the components can be customized according to actual needs, making development more convenient and greatly reducing the amount of code writing.
The component also supports hot reload. When we make changes, the page will not be refreshed, but the component itself will be reloaded immediately, without affecting the current state of the entire application. CSS also supports hot reloading.
5) Client-side routing
Vue-router is the official routing plug-in of Vue.js. It is deeply integrated with Vue.js and used to build single-page applications. Vue single-page applications are based on routing and components. Routing is used to set access paths and map paths and components. Traditional pages implement page switching and jumps through hyperlinks.
6) State management
State management is actually a one-way data flow. State drives the rendering of View, and the user operates the View to generate Action, which causes the State to change, thereby causing the View to Re-render to form a separate component.
The latest release of Vue 2.X is lighter and faster than Vue 1.X. Not only is it a great improvement on Vue 1.X, it also has great performance advantages compared to other frameworks. . Vue is relatively simple to learn and easier to use.
What are the advantages of Vue.js
What are the advantages of Vue compared to other frameworks? We have mentioned jQuery above, and there are other front-end frameworks such as React, Angular, etc. In comparison, Vue is the most lightweight and has formed a complete ecosystem that can be quickly iteratively updated.
As the preferred entry-level framework for front-end developers, Vue has many advantages:
Vue.js can be developed in components, which greatly reduces the amount of code writing and makes readers more Easy to understand.
The most prominent advantage of Vue.js is that it can perform two-way binding of data (we will obviously feel the convenience of this feature in subsequent writing).
The interface effect written using Vue.js itself is responsive, which enables the web page to display very beautiful effects on various devices.
Compared with traditional pages that use hyperlinks to switch and jump pages, Vue uses routing without refreshing the page.
Note: Vue must be used in an environment above ES5. Some old browsers that do not support ES5 cannot run Vue.
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