<script> function getScoll() { return { left: window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft, top: window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop } } window.onscroll = function () { console.log('页面纵向滚出去的距离为:' + getScoll().top + 'px') } </script>