Function hasProperty

hasProperty(object, key): boolean
A helper function which tests whether an object has a property or nested property given a string key. The method also supports arrays if the provided key is an integer index of the array. The string key supports the notation a.b.c which would return true if object[a][b][c] exists
Parameters
- object: object
  The object to traverse
- key: string
  An object property with notation a.b.c
Returns boolean
An indicator for whether the property exists