Same.js

function same (string1,string2){
    let FC1 = {};
    let FC2 = {};
    //Short Circuit if length is differnt
    if(string1.length !== string2.length){
        return false;
    }
    //Categorize the input data to compare
    for(let val of string1){
        FC1[val] = (FC1[val]||0)+1;
    }
    //Categorize the input data to compare
    for(let val of string2){
        FC2[val] = (FC2[val]||0)+1;
    }
    console.log(FC1);
    console.log(FC2);
    //Comapre both object by key & value
    for(let key in FC1 ){
        console.log(key,FC1[key]);
        if(!(key ** 2 in FC1) || FC2[key ** 2] !== FC1[key]){
            return false;
        }
    }
    return true;
}



same([1,2,1],[1,5,1])