title: How to remove nodes from the Render Tree?
body: <p>I feel like I'm missing something obvious, but how do I remove nodes from the render tree and destroy them correctly?</p>
  
  <p>It looks like I can just do something like <code>mainCtx._node._child.splice(2,1)</code>, but this doesn't work in all cases (Scrollviews seem to stick around), and assume there's something relevant in the API but I can't seem to find it.</p>