.net Powerful JavaScript charts
RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 15 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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Get the latest version of RGraph (version 6.18, 1st June 2024) from the download page. You can read the changelog here. There's also older versions available, minified files and links to hosted libraries.

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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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How do I update my fuel chart from a button?

Posted by Fabien at 12:20 on Sunday 15th May 2022 [link]
hello I would like to know how to change my code so that value changes itself without onmouseout or onclick just when I change the value with a button

thank you cordially


Posted by Richard at 12:31 on Sunday 15th May 2022 [link]
Here's a demo of updating a Fuel chart with a random value whenever you click the button:

The button click event runs the update function which updates the Fuel chart.

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