magic number question

magicnum.js

var infinteNumber = [4, 0, 20, 42,];
var magicNumberList = {};
var isMagic = function(num){
    if(magicNumberList[num])
        return true;
    var stringNum = num.toString();
    var arrayOfDigits = stringNum.split("")
    console.log (num)
    var magicNumberTotal = 0;
    for(var i = 0; i < stringNum.length; i++){
        magicNumberTotal += (arrayOfDigits[i] * arrayOfDigits[i]);
    } 
    if(magicNumberTotal === 1){
        magicNumberList[num] = true;
        return true;
    }else if (infinteNumber.indexOf(magicNumberTotal) >= 0){
        return false;
    }
    else{
       return magicNumberTotal;
    }
}

var checkRecursive = function (num){
    result = isMagic(num);
    if ( result === true){
        return true;
    }  
    if (result === false){
        return false;
    }
    else{
        return checkRecursive(result);
    }
}

var magicNumFromZeroTo = function(n){
    results = [];
    for( var i = 0; i <= n; i ++){
        if( checkRecursive(i) ){
            results.push(i);
        }
    }
    return results;
}