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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 17 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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New datagrid in v6.21
In version 6.21 a new datagrid object has been 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 6.21, 10th April 2025) 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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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]