Question

How to get the first and the last digit of a number in JavaScript

Answer 1

const number = 87354;
 
let firstDigit = number;
while (firstDigit >= 10)  
     firstDigit /= 10; 
firstDigit = Math.trunc(firstDigit);
console.log(firstDigit);
  
const lastDigit = number % 10;
console.log(lastDigit);



/*
run:

8
4

*/

 

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