摘要: // window.onscroll事件(Y一定是大写) window.onscroll = function() { console.log(scrollY); if (scrollY > 800) { document.getElementById('ret').style.display = 阅读全文
posted @ 2020-05-08 22:30 丶玲珑骰子安红豆 阅读(146) 评论(0) 推荐(0)