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? — Jack jdeoel
– Jack jdeoel, Commented May 12, 2016 at 3:21

voll · Accepted Answer · 2016-05-12 03:21:23Z

1

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

answered May 12, 2016 at 3:21

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2 Comments

thnks it works so i do num%10 and it gives me the last digit

but it doesnt work on huge numbers i need it to work on any number

omarjmh · Accepted Answer · 2016-05-12 03:22:18Z

1

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

answered May 12, 2016 at 3:22

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Lautaro Bertuzzi · Accepted Answer · 2016-05-12 03:23:11Z

1

Try this

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

answered May 12, 2016 at 3:23

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"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