Question

How to use Array.map() to check if string is palindrome in JavaScript

Answer 1

var str = 'abcba';

var str_reverse = Array.prototype.map.call(str, function(x) {
  return x;
}).reverse().join(''); 

if (str === str_reverse)
    document.write('palindrome');
else
    document.write('not palindrome');


/*
run:  
 
palindrome 
  
*/

 

70+ SQL courses for beginners and professionals