摘要:
let rootNode = listArray.filter(la => { return !la.parentId }).sort((a, b) => { return a.timestamp - b.timestamp ... 阅读全文
摘要:
// 获取元素拒顶部高度 setHeight(obj) { var parObj = obj; var top = obj.offsetTop; while (parObj = parObj.offsetParent) { top += parObj.offsetTop; } return top; 阅读全文