vue title悬停

title 设置
name="peo" title="" v-on:mouseenter="peoAndCarHover(item.signStatus,'peo',index)"
无index时 title
mouseHover(tit) {
var titlename = document.getElementsByName(tit);
for (var i = 0; i < titlename.length; i++) {
titlename[i].index = i;
titlename[i].title = titlename[i].innerText;
}
}