That's because you are running on a Mac safari.
EasyEDA is only supported on Chrome, Chromium, Edge Chromium and Firefox:
[https://docs.easyeda.com/en/FAQ/Editor/index.html#Which-Browser-is-best-for-EasyEDA](https://docs.easyeda.com/en/FAQ/Editor/index.html#Which-Browser-is-best-for-EasyEDA)<br>
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