var accords = document.getElementsByClassName("acc-head");
for(var i = 0; i < accords.length; i++){
    accords[i].addEventListener('click', change);
}

function change(event){
    let target = event.target;
    //console.log(target.innerText);
    // let body = target.nextElementSibling;
    var asd = target.nextSibling;
    while(asd){
        asd = asd.nextSibling;
        console.log(asd.nodeName);
    }

}