js滚动显示.txt

var i = 0;
            var dome = document.getElementById('djdzq');//ul标签id
            var t = window.setInterval(function () {
                dome.style.top = '-' + i + 'px';
                i++;
                if (i == 792) {
                    i = 0;
                }
            }, 80);
            dome.onmouseover = function () {
                window.clearInterval(t);
            }
            dome.onmouseout = function () {
                t = window.setInterval(function () {
                    dome.style.top = '-' + i + 'px';
                    i++;
                    if (i == 792) {
                        i = 0;
                    }
                }, 80);
            }