Instructions We have defined a function, mixedNumbers, which we are passing an array as an argument. Modify the function by using push () and unshift () to add 'I', 2, 'three' to the beginning of the ...

In general, handling array functions like we’ve seen here, using JavaScript’s built-in functions like map() and filter(), is an excellent application of the power of functional programming.

I have tried it myself, but I haven't been successful so far.<BR>By the way, I am looking for the index number of the array which is processed (not the value which can be found at that index), and ...