标签：顶部距离

获取元素距离顶部的距离

这个方法太常用了，写个笔记 //获取顶部距离 function getTop(element) { let realTop = element.offsetTop; let parent = element.offsetParent; while (parent !== null) { realTop += parent.offsetTop; parent = parent.offsetParent; } return realTop; },接收原生dom对象