JavaScript for data science JavaScript is the language of the web. Originally developed for making browser based interfaces more dynamic it is now used for large scale software projects of all kinds including scientific visualization tools and data services. However most researchers and data scientists have little or no experience with it. This book is designed to fill that void. It introduces readers to JavaScripts power and idiosyncrasies and guides them through the key features of the modern version of the language and its tools and libraries. The book places equal focus on client and server side programming and shows readers how to create interactive web content build and test data services and visualize data in the browser