When working with Vue2, all I had to do was add the CDN and then Vue would be available in my JavaScript files. However, when trying to use Vue3, my JavaScript files are not detecting Vue. How can I troubleshoot this issue and start using Vue3 successfully?
Make sure to include the latest vue js file
To access the source, visit https://unpkg.com/[email protected]/dist/vue.global.js and include it in your project
I removed some parts (axios, methods, template, etc.) but this should help you understand.
Key points to note...
createApp from Vue by either using Vue.createApp or destructuringdata must be a function that returns an objectconst app = Vue.createApp({
el: '#app',
delimiters: ['[[', ']]'],
data() {
return {
returned_task: '',
new_task: '',
create_modify: '',
modify_id: -1,
modify_index: -1,
tasks: []
}
},
created() {
this.tasks = ['do this 🐱🐉', 'and that 🤳'];
},
});
app.mount('#app')<script src="https://unpkg.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4036352500736e706e706d32236e75">[email protected]</a>/dist/vue.global.prod.js"></script>
<div id="app">
<ul>
<li v-for="task in tasks">[[task]]</li>
</ul>
</div>const app = Vue.createApp({
el: '#app',
delimiters: ['[[', ']]'],
data() {
return {
returned_task: '',
new_task: '',
create_modify: '',
modify_id: -1,
modify_index: -1,
tasks: []
}
},
created() {
this.tasks = ['complete task A 🐱🐉', 'and then task B 🤳'];
},
});
app.mount('#app')<script src="https://unpkg.com/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="ea9c9f8faad9c4dac4dac79889c4df">[email protected]</a>/dist/vue.global.prod.js"></script>
<div id="app">
<ul>
<li v-for="task in tasks">[[task]]</li>
</ul>
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