4dkankan-components/docs/examples-bk/message-box/use-vnode.vue

<template>
    <el-button plain @click="open">Common VNode</el-button>
    <el-button plain @click="open1">Dynamic props</el-button>
</template>

<script lang="ts" setup>
import { h, ref } from 'vue'
import { ElMessageBox, ElSwitch } from 'element-plus'

const open = () => {
    ElMessageBox({
        title: 'Message',
        message: h('p', null, [h('span', null, 'Message can be '), h('i', { style: 'color: teal' }, 'VNode')]),
    })
}

const open1 = () => {
    const checked = ref<boolean | string | number>(false)
    ElMessageBox({
        title: 'Message',
        // Should pass a function if VNode contains dynamic props
        message: () =>
            h(ElSwitch, {
                modelValue: checked.value,
                'onUpdate:modelValue': (val: boolean | string | number) => {
                    checked.value = val
                },
            }),
    })
}
</script>