convert multidimensional array element to integer in javascript

Question

I have two dimensional array which contain element in format Name,Number. i want to convert Number part to integer

var iTicketTypeCount = [];
var sTicketTypeCount = saResponse[5].split(',');
while (sTicketTypeCount[0]) {
 iTicketTypeCount.push(sTicketTypeCount.splice(0, 2));
}

My iTicketTypeCount contains

[['Firefox', '45'],['IE', '26'],['Safari', '5'],['Opera', '6'],['Others', '7']]

and i want it like

[['Firefox', 45],['IE', 26],['Safari', 5],['Opera', 6],['Others', 7]]

Only the second element should get converted into integer.

Answer 1

Easiest imo would be using Array.map()

var arr = [['Firefox', '45'],['IE', '26'],['Safari', '5'],['Opera', '6'],['Others', '7']];
arr = arr.map(function(x) {
 return [x[0], Number(x[1])];
});

• metadept: Not that performance is likely to be a concern here, but I'm curious about the advantages of map versus iterating and parsing. Is the mapped function called each time that element is accessed, or is its result stored?
• techfoobar: map() simply gives you a chance to process each element in an array conveniently. The plus is that this iteration is done in native code - unlike a loop we write.

Answer 2

You can use the parseInt function to simply convert this:

$.each(arry, function(i, elem) {
 arry[i] = [elem[0], parseInt(elem[1])];
});

Answer 3

var iTicketTypeCount = [];
var sTicketTypeCount = saResponse[5].split(',');
while (sTicketTypeCount[0]) {
 sTicketTypeCount[1] = Number(sTicketTypeCount[1]);
 iTicketTypeCount.push(sTicketTypeCount.splice(0, 2));
}

You could do it without using another function.

Answer 4

Try $.each()

var arr = [['Firefox', '45'],['IE', '26'],['Safari', '5'],['Opera', '6'],['Others', '7']]
$.each(arr, function(idx, value){
 value[1] = +value[1]
})

Demo: Fiddle