// safari
new Date('2000-04-12 00:00:00 GMT+0000')
// Invalid Date

// chrome
new Date('2000-04-12 00:00:00 GMT+0000')
Wed Apr 12 2000 00:00:00 GMT+0000

new Date('2000-04-12 00:00:00 GMT+0000'.replace(/-/g, '/'))

typeof yourVariable === 'object' && yourVariable !== null

// 随便定义一个函数
const f = function() {
  return true
}

---

console.log(f)
"function() {
  return true
}"

<div>
    <vnode :vnode="value"/>
</div>

{
  components: {
    Vnode: {
      functional: true,
      render: (h, ctx) => ctx.props.vnode
    }
  },
  props: ['value']
}