CSSOM contains the nodes on which css rules are applied whereas render tree only contains the visible nodes to be displayed on the screen.
And yes, user-agent stylesheet means default styles applied by web browsers in absence of any css rules specify by user.
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CSSOM contains the nodes on which css rules are applied whereas render tree only contains the visible nodes to be displayed on the screen.
And yes, user-agent stylesheet means default styles applied by web browsers in absence of any css rules specify by user.