let fixTop = (e) => { var offset = e.offsetTop if (e.offsetParent != null) { offset += fixTop(e.offsetParent) } return offset } let fixLeft = (e) => { var offset = e.offsetLeft if (e.offsetParent != null) { offset += fixLeft(e.offsetParent) } return offset } let setTitleTip = (tip) => { let title = process.env.VUE_APP_NAME; if(tip){ title = `(${tip})${title}`; } document.title =title; } export default{ fixTop, fixLeft, setTitleTip }