Question

How to use Array.map() and callback function to convert array string digits elements to integers in JavaScript

Answer 1

function getInt(element) {
  return parseInt(element, 10);
}

var arr = ['1', '2', '3', '4'];

var arr_int = arr.map(getInt);

console.log(arr_int); 
 
 
/*
run:  
  
 [1, 2, 3, 4]
   
*/

 

70+ SQL courses for beginners and professionals