Angular is mainly maintained by Google. Usually, developers use this library to create single page applications (SPA). Every couple of months Google comes up with a new version — from Angular 1 through 7.
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Vue.js was one of the most popular JavaScript libraries in 2018. Moreover, it’s the main competitor to React for the popularity among web developers.
React is a library for creating user interfaces maintained by Facebook. The library is a good choice for large web applications and allows processing data without frequent and annoying page reloadings.
React components implement a render() method that takes input data and returns what to display. This example uses an XML-like syntax called JSX. Input data that is passed into the component can be accessed by render() via this.props.
The Benefits of Using JavaScript Frameworks
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What’s a virtual DOM?
The DOM, or Document Object Model, is the nested tree of elements on a webpage.
Manipulating it is (relatively speaking) a bit slow compared to working in JavaScript.
A virtual DOM is a JavaScript-based map of the actual DOM using nested objects.