TypeError: Failed to execute 'getComputedStyle' on 'Window': parameter 1 is not of type 'Element'.

[minsekim1]

TypeError: Failed to execute 'getComputedStyle' on 'Window': parameter 1 is not of type 'Element'.
at px (index.es.js?2c84:170:1)
at Object.getNodeWidth (index.es.js?2c84:174:1)
at getImageSize (index.es.js?2c84:800:1)
at toSvgDataURL (index.es.js?2c84:806:1)
at toCanvas (index.es.js?2c84:816:1)
at toPng (index.es.js?2c84:847:1)
at eval (index.es.js?2c84:897:1)
at step (index.es.js?2c84:50:1)
at Object.eval [as next] (index.es.js?2c84:31:46)
at eval (index.es.js?2c84:24:1)
at new Promise ()
at __awaiter (index.es.js?2c84:20:1)
at eval (index.es.js?2c84:882:65)
at onClick (Third.tsx?bc39:427:32)
at HTMLUnknownElement.callCallback (react-dom.development.js?61bb:3945:1)
at Object.invokeGuardedCallbackDev (react-dom.development.js?61bb:3994:1)
at invokeGuardedCallback (react-dom.development.js?61bb:4056:1)
at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js?61bb:4070:1)
at executeDispatch (react-dom.development.js?61bb:8243:1)
at processDispatchQueueItemsInOrder (react-dom.development.js?61bb:8275:1)
at processDispatchQueue (react-dom.development.js?61bb:8288:1)
at dispatchEventsForPlugins (react-dom.development.js?61bb:8299:1)
at eval (react-dom.development.js?61bb:8508:1)
at batchedEventUpdates$1 (react-dom.development.js?61bb:22396:1)
at batchedEventUpdates (react-dom.development.js?61bb:3745:1)
at dispatchEventForPluginEventSystem (react-dom.development.js?61bb:8507:1)
at attemptToDispatchEvent (react-dom.development.js?61bb:6005:1)
at dispatchEvent (react-dom.development.js?61bb:5924:1)
at unstable_runWithPriority (scheduler.development.js?3069:468:1)
at runWithPriority$1 (react-dom.development.js?61bb:11276:1)
at discreteUpdates$1 (react-dom.development.js?61bb:22413:1)
at discreteUpdates (react-dom.development.js?61bb:3756:1)
at dispatchDiscreteEvent (react-dom.development.js?61bb:5889:1)

[carlosferragut]

As shown in the code of the example, you should have an element with id="root" in order to work.

[stackyism]

Thank you so much @carlosferragut .
Your comment was really helpful in debugging an issue. 🎉