Hi ,i have two questions:
(1)why myArray contains only :number,string,boolean....several types of data,but
myArray i added the word:add,
it passed the lesson .
the word does not belong to the type of data .why it could pass the lesson ?
(2)i did it before: gender:woman;
of course ,it did not pass the lesson .
i corrected it :gender:"woman"
it passed the lesson .why ?thanks