Topics created by grandpa_sam

This is not an issue, Memory is intended for storing plain data only.

However watch out for nested function calls. In my example, if findByCost tried internally to call more functions from SpeciesClass with the usual this.function() syntax then it will fail. For every functions that you plan to call onto "foreign" objects, make sure all nested methods are called using the YourClass.prototype.function.call(this) syntax.

Moderately surprised it even allowed him to modify that property.