Scroll to uploaded file after upload in long form

skiptofileform.js

$(function () {
    var locationHashObjTop = false;

    $('input[type="submit"]').on('click', function () {

        var $locationHashObj = $(this).prev();
        var locationHash = '#' + $(this).prev().attr('id');
        locationHashObjTop = $locationHashObj.offset().top;

        sessionStorage.setItem('fileHash', locationHash);
        sessionStorage.setItem('fileHashTop', locationHashObjTop - 150);
    });

    var fileHash = sessionStorage.getItem('fileHash');
    locationHashObjTop = sessionStorage.getItem('fileHashTop');

    if (locationHashObjTop) {
        $('html,body').scrollTop(locationHashObjTop);
    }

    $('button[type="submit"]').on('click', function () {
        sessionStorage.removeItem('fileHash');
        sessionStorage.removeItem('fileHashTop');
    });

    //console.log(fileHash + ' : ' + locationHashObjTop);
})