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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 7.20
Version 7.20 (released in June 2026) is the latest version of RGraph and the major change in this version is an update to the default values of properties making for better looking charts without having to set any properties. Read more about this and other changes in the changelog.

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Download
Get the latest version of RGraph (version 7.20, 9th June 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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Latest forum posts
These are the latest support forum posts that have been posted or updated.


16th June, Rachel
I have a question about the 3D Bar chart
12th June, Marco
Should I use SVG or canvas for the charts on my website?
9th June, Richard
New version of RGraph: version 7.20
3rd June, Patrick
Question about installing RGraph
1st June, Ouja
How do I add a click event to a bar in my Bar chart?


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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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Demo pages fail to show code


Posted by Kim at 11:25 on Saturday 12th December 2020 [link]
theres an error in the demo pages that fails to show the code:
js console says:
Uncaught SyntaxError: Unexpected token '<' demos.js:1
bar-line-switch-effect.html:372 Uncaught ReferenceError: showSource is not defined
    at bar-line-switch-effect.html:372
navigation-top-bar.js:9 Uncaught TypeError: Cannot set property 'onclick' of null
    at navigation-top-bar.js:9

and it seems that the the demos.js file has some garbage at the top:
<br />
<b>Warning</b>: Undefined variable $lastmod in <b>/homepages/46/d548322256/htdocs/www/demos/combined.html</b> on line <b>64</b><br />

Posted by Richard at 11:46 on Saturday 12th December 2020 [link]
Can you do a SHIFT+refresh or CTRL+refresh (depends on your browser) to bypass the local browser cache?

I did upgrade PHP on the website recently, but if I do this then everything works as expected.

Posted by Kim at 17:19 on Monday 21st December 2020 [link]
Works like a charm now.

[Replies are closed]