array.isDefined()

Returns whether there exists an item in the array at the selected index.


		array.isDefined( index=number )

Returns: Boolean

Argument	Description
index _{number, required}	The index which to check

water = ["sea","river","well","bottle"];
writeDump(water.isdefined(0));
writeDump(water.isdefined(5));
writeDump(water.isdefined(4));