how to find the last digit of an integer using num.toString and str.split?

Question

var num=1234

My answer should be 4 how do i do that? I tried using "split" and "toString" but I don't know how to use it.

Possible duplicate of [How do I separate an integer into separate digits in an array in JavaScript?](http://stackoverflow.com/questions/9914216/how-do-i-separate-an-integer-into-separate-digits-in-an-array-in-javascript) — Jack jdeoel, May 12 '16 at 03:21

score 1 · Answer 1 · answered May 12 '16 at 03:21

1

Do you need to use toString and split? Because the most efficient way is num % 10

answered May 12 '16 at 03:21

voll

thnks it works so i do num%10 and it gives me the last digit – Mike May 12 '16 at 03:23
but it doesnt work on huge numbers i need it to work on any number – Mike May 12 '16 at 03:24

score 1 · Answer 2 · answered May 12 '16 at 03:22

1

var lastNum = num.toString().split('').pop();

answered May 12 '16 at 03:22

omarjmh

score 1 · Answer 3 · answered May 12 '16 at 03:23

1

Try this

var num = 1234;
var stringNum = num.toString();
var arrayNum = stringNum.split("");
var lastNumber = arrayNum[arrayNum.length-1];

answered May 12 '16 at 03:23

Lautaro Bertuzzi

– Mike May 12 '16 at 03:26
"My answer should be 4 how do i do that? I tried using "split" and "toString" but I don't know how to use it." that is what he want – Lautaro Bertuzzi May 12 '16 at 03:29

3 Answers3