D3.js is a data visualization platform, which enables businesses to generate SVG bar charts and HTML tables using a web browser. It provides enter and exit sections for professionals to create new nodes and remove outgoing nodes according to requirements. D3.js allows users to manipulate individual nodes with various elements including attribute class, ID, values, tag name and containment to change colors across paragraph elements. Professionals can use graphical primitives to generate line, area and pie charts. D3.js is available for free and support is extended via forums and other online measures.