How to extract value from an array of array

Question

I have an array of array stored. I need to extract the particular value from this arrays.

e.g allarray contain the list of arrays allarray= [Array[3],Array[3],Array[3]]

Answer 1

var arrOfArr=[['a1','b1','c1'],['a2','b2','c2'],['a3','b3','c3']];

var cVals=arrOfArr.map(function(element,index){
      return arrOfArr[index][2];
});
alert(cVals);

http://jsfiddle.net/3uaugbem/