Question

How to increment letters in JavaScript

Answer 1

function nextChar(char) {
  	return String.fromCharCode(char.charCodeAt(0) + 1);
}

console.log(nextChar('a')); 
console.log(nextChar('b')); 

console.log(nextChar('A')); 
console.log(nextChar('B')); 
  
  
  
  
  
/*
run:
  
"b"
"c"
"B"
"C"
  
*/

 

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