anagram hacker rank solution javascript

 
 
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Javascript program for anagram hackerrank solution
     
function anagram(s) {
    
    let count = Array(26).fill(0), sum = 0;

    if (s.length & 1) {
        return -1;
    }
    
    for (let i = 0; i < s.length / 2; i++) {
        count[getCode(s.charAt(i))]++;
    }

    for (let i = s.length / 2; i < s.length; i++) {
        console.log(getCode(s.charAt(i)))
        count[getCode(s.charAt(i))]--;
    }

    for (let i = 0; i < 26; i++) {
        sum += Math.abs(count[i]);
    }

    return sum / 2;
}