Vue.js Essentials #01 Intro + First Vue App

Vue.js is a popular JavaScript framework for building user interfaces and single-page applications. In this article, we’ll cover the basic introduction to Vue.js and create our first Vue app.

What is Vue.js?

Vue.js is a progressive JavaScript framework that is used for building user interfaces and single-page applications. It has a simple and approachable syntax, making it easy for developers to pick up and start using. Vue.js also provides reactive data binding and composable components, making it easy to build complex UIs.

Creating Our First Vue App

To get started with Vue.js, we need to include the Vue library in our HTML file. We can do this by adding the following script tag to the of our HTML file:

Once we have included the Vue library, we can create a new Vue instance using the following code:


var app = new Vue({
el: '#app',
data: {
message: 'Hello, Vue!'
}
})


In this code, we are creating a new Vue instance and attaching it to an element with the id “app”. We are also defining some data for our Vue instance, including a message that will be displayed in our app.

Finally, we can use Vue’s templating system to display our data in the HTML. We can do this by adding the following code to our HTML file:

When we open our HTML file in a web browser, we should see the message “Hello, Vue!” displayed on the page. This is our first Vue app in action!

Conclusion

In this article, we covered the basic introduction to Vue.js and created our first Vue app. Vue.js is a powerful and easy-to-use framework for building user interfaces and single-page applications, and we have only scratched the surface of what it can do. In future articles, we will dive deeper into Vue.js and cover more advanced topics.