Sum the Digits

Difficulty Rating: 2.5 / 5


Code Solution

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  function sumOfDigits(num){
    var sum = 0;
    var numStr = num.toString();
      
    for(var i = 0; i < numStr.length; i++){
      // or parseInt(numStr[i],10)
      sum += +numStr[i];
    }	
    return sum;
  }
  
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