App.vue
CompOne.vue
main.js
<template>
<h1>The 'errorCaptured' Lifecycle Hook</h1>
<p>Whenever there is an error in a child component, the errorCaptured() function is called on the parent.</p>
<p>Open the browser console to see the captured error details.</p>
<div>
<comp-one></comp-one>
</div>
</template>
<script>
export default {
errorCaptured(error,compInst,errorSrcType) {
console.log("error: ", error);
console.log("compInst: ", compInst);
console.log("errorSrcType: ", errorSrcType);
}
}
</script>
<style>
#app > div {
border: dashed black 1px;
border-radius: 10px;
padding: 10px;
margin-top: 10px;
background-color: lightgreen;
}
</style>
<template>
<h2>Component</h2>
<p>This is the component</p>
<button @click="generateError">Generate Error</button>
</template>
<script>
export default {
methods: {
generateError() {
this.$refs.objEl.innerHTML = "hi";
}
}
}
</script>
import { createApp } from 'vue'
import App from './App.vue'
import CompOne from './components/CompOne.vue'
const app = createApp(App)
app.component('comp-one', CompOne)
app.mount('#app')