isNot()Tests to see if two or more values are not exactly the same. This is similar to !== but will also work with NaN and can differentiate between -0 and 0.
x for inequality.x and y.true if any of the parameters passed are not exactly the same, otherwise false is returned.This function directly requires the following function which is included automatically:
is()=== but will also indicate that NaN is NaN and will indicate that -0 is not 0.
            This function is directly required by the following function:
is()=== but will also indicate that NaN is NaN and will indicate that -0 is not 0.