javascritp for know when Space is empty

[rafaelscg]

Hello,

Im trying to use UI Action to move document for others spaces.
This works fine, but i want remove space if is empty after run the action.
Anybody can tell me how can i do this with javascript?

Thank you

[savic_prvoslav]

space.children.size or length == 0 ;

[rafaelscg]

Thanks Savic!
The "length" option works for me.