vue render function & dataset
https://vuejs.org/v2/guide/render-function.html#The-Data-Object-In-Depth
https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset
solution 1
dataset
{
key: "hotWordHeat",
title: "热词热度",
// width: 100,
width: 200,
align: "center",
// sortable: true,
// className: "disabled-user-selection",
//