D3的全称是（Data-Driven Documents），顾名思义可以知道是一个关于 数据驱动的文档 的javascr ipt类库。如果你不知道什么是javascr ipt，请先学习javascr ipt的相关知识。



说得简单一点，D3.js主要是用于操作数据的，它通过使用HTML、SVG、CSS来给你的数据注入生命，即转换为各种简单易懂的绚丽的图形。-The full name of D3 is (Documents Data-Driven), just as its name implies can know is a data driven document Javascr ipt class library. If you do not know what is Javascr ipt, please first learn the relevant knowledge of javascr ipt.

To put it simply, D3.js is mainly used for the operation of data, it is through the use of HTML, SVG, CSS to give you the data into life, that is converted to a variety of simple and easy to understand the gorgeous graphics.