for(var i in aArray) VS for(i=0; i<aArray.length; i++)

Question

I just want to ask if the in_array_orig and in_array_new is just the same. and also im confused on the result when comparing both array (<

Answer 1

I guess this is already discussed here in SO.

See it here

• JavaScript: Difference between for..in and for
• JavaScript foreach Vs for