I ran into problems when cache.nodes[row].cellNodesByColumnIdx[nodecell] is undefined. The call to [0] will through an error. The old behaviour (before there was a call to [0]) was that getNodeCell() will return undefined in this situation.
I added a check to make sure undefined is returned again.
I ran into problems when cache.nodes[row].cellNodesByColumnIdx[nodecell] is undefined. The call to [0] will through an error. The old behaviour (before there was a call to [0]) was that getNodeCell() will return undefined in this situation.
I added a check to make sure undefined is returned again.