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22 - 自定义元素 #1471

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@kalu5

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@kalu5
// 你的答案
<script setup lang='ts'>

import { onMounted, defineCustomElement, h} from "vue"

/**
 * Implement the code to create a custom element.
 * Make the output of page show "Hello Vue.js".
*/
const VueJs = defineCustomElement({
  props: {
    message: {
      type: String,
      default: ''
    }
  },
  render() {
    return h('h1', this.message)
  }
})

customElements.define('vue-js', VueJs)

onMounted(() => {
  document.getElementById("app")!.innerHTML = "<vue-js message=\"Hello Vue.js\"></vue-js>"
})

</script>

<template>
  <div id="app"></div>
</template>

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