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This article mainly introduces the "six essential libraries of JavaScript". In the daily operation, I believe that many people have doubts about the six essential libraries of JavaScript. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "six essential libraries of JavaScript". Next, please follow the editor to study!

1.Ngeo

Ngeo is a JS library, a set of AngularJS instructions and services that can be used to develop applications that combine AngularJS and Openlayers. Through the instruction services and examples it provides, NGEO defines a specific way to combine the angle layer and the open layer in the application.

2.Moon

Moon is a simple avaScript inspired by Vue. The library is fast, flexible and easy to learn. This library contains powerful instructions; combination of components, easy to learn API, fast performance and small file size. Moon is a virtual dom that uses fast and effectively re-passes the dom, updating only nodes that have changed.

3.Tippy

Tippy.js is a lightweight pure javascript tooltip library supported by Popper.js. It is a great positioning library that can solve the positioning problem of all tooltips.

4.Proj4js

Proj4js is a javascript library that converts point coordinates from one coordinate system to another, including data conversion.

5.Fabric.js

Fabric.js is a framework that makes it easy to use HTML5 canvas elements. It is an interactive object model at the top of the canvas element. It is also a SVG-to-canvas solution

With fabric, you can create and fill objects on the canvas; objects such as simple geometry (rectangles, circles, ellipses, polygons, or more complex shapes consisting of hundreds or thousands of simple paths). Then, use the mouse to scale, move, and rotate these objects; modify their properties-color, transparency, Z-index, and so on. You can also manipulate these objects together-grouping them with simple mouse selections.

6.HyperApp

HyperApp is a lightweight javascript library for building front-end applications. The design of Hyperapp is based on the ELM architecture. Use functional paradigms to create browser-based extensible applications. The point is that you don't have to learn a new language. Off the shelf, Hyperapp has ELM-like state management and a virtual DOM engine; it still has the weight of 1KB and has no dependencies.

At this point, the study on the "six essential libraries for JavaScript" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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