Uncaught TypeError: Cannot read property 'lastChild' of null

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2021-01-15 00:52

You are trying to access the element with id leftSide before it has been added to the DOM.

If you move your script to the end of the page body, you will no longer see this error, but a different, unrelated one instead:




	Face Matching Game
	Matching Game
	Click on the EXTRA face on the left side

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