# Developers

Developer features allow extending and enhancing Chart.js in many different ways.

# Browser support

Chart.js offers support for all browsers where canvas is supported.

Browser support for the canvas element is available in all modern & major mobile browsers. CanIUse

Thanks to BrowserStack for allowing our team to test on thousands of browsers.

# Previous versions

Version 2 has a completely different API than earlier versions.

Most earlier version options have current equivalents or are the same.

Please use the documentation that is available on chartjs.org for the current version of Chart.js.

Please note - documentation for previous versions are available on the GitHub repo.

- 1.x Documentation

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