second time

const mirrorCheck = (string)=>{
    let curSequence = 1;
    const sequences = [];
    const splitted = [...string].sort();

    splitted.forEach((el,i)=>{
        if(splitted[i]===splitted[i+1]){
            curSequence++
        }else{
            sequences.push(curSequence);
            curSequence = 1;
        }
    })

    const result = sequences.reduce((acc,el)=> el % 2 !== 0 ? [...acc, el]: acc,[])

    return result.length <=1 ? true : false;
}