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.net Powerful JavaScript charts
About
RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 18 years old) and has a wealth of features making it an ideal choice to use for showing charts on your website.

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Version 7.11
Version 7.11 (released in March 2026) is the latest version of RGraph and contains just a few updates to the code which you can see on the changelog page. There's a new dumbbell variation for the Bar and Horizontal bar charts (both SVG and canvas) and the front page layout of the website has been tweaked.

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HTML datagrid
In the April 2025 (v6.21) release a new datagrid object was added. This makes it easy to add static or dynamic data tables to your pages. It can be used whether you use the canvas or SVG libraries or entirely standalone.

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Download
Get the latest version of RGraph (version 7.11, 21st March 2026) from the download page. You can read the changelog here. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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License
RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£129) commercial license available.

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The prototypal JavaScript object model

Written by Richard Heyes, RGraph author, on 19th December 2015

A new article is available that explores the javascript object model and explains the various options that you have when using it.

It only talks about the es5, functional style of object-oriented programming and does not explain the new es6 classes that are now available.

How does this apply to RGraph?

In order to keep compatibility with older browsers that may not support newer javascript features (ie the newer syntax for defining classes) all of the RGraph objects are defined using this style of object definition.

So understanding how javascript objects are defined and used will help you when you're working with RGraph.

https://www.rgraph.net/blog/objects.html