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In this comprehensive tutorial, we’ll delve into the intricacies of Vue.js, a progressive JavaScript framework for crafting user interfaces, and Node.js, a JavaScript runtime built on Chrome’s V8 engine. Together, we’ll navigate the fundamental steps of setting up a Vue.js and Node.js project, ultimately constructing a straightforward web application. Prior to embarking on this journey, it is advisable to possess a foundational understanding of JavaScript, HTML, and CSS.
Before we dive into the coding process, let’s ensure our development environment is primed for action. Ensure that the following software is installed on your computer:
npm install -g @vue/cli
With the development environment in place, let’s initiate a new project using Vue CLI. Execute the following command in your terminal or command prompt:
vue create my-vue-node-app
This command generates a new folder named “my-vue-node-app” and establishes a basic Vue.js project structure. Navigate to the project folder and install the necessary dependencies:
cd my-vue-node-app
npm install
To seamlessly integrate Node.js into our Vue.js project, we’ll construct a straightforward Express server. Begin by installing the Express package:
npm install express --save
Next, create a new file called “server.js” in the root of your project folder and insert the following code:
const express = require('express');
const app = express();
const port = process.env.PORT || 3000;This code establishes a basic Express server listening on port 3000, responding with “Hello from Node.js!” when accessed at the root URL. To initiate the server, add the following script to the “scripts” section of your “package.json” file:
"start": "node server.js",
You can now commence the server by executing the following command:
npm start
Now that our Vue.js and Node.js project is configured, let’s construct a basic web application. We’ll create a form enabling users to input their name, and we’ll display a personalized greeting using Vue.js.
Open the “src/App.vue” file and replace the existing template with the following code:
<template>
<div id="app">
<form @submit.prevent="submitForm">
<label for="name">Enter your name:</label>
<input type="text" id="name" v-model="name" />
<button type="submit">Submit</button>
</form>
<p v-if="greeting">{{ greeting }}</p>
</div>
</template>
This code generates a form with an input field for the user’s name and a submit button. Form submission is handled by the “submitForm” method, which we’ll define shortly. The personalized greeting is displayed in a paragraph element, leveraging the “greeting” data property.
Now, let’s define the Vue.js instance responsible for managing form submission and updating the greeting. Add the following script to the “src/App.vue” file:
<script>
export default {
data() {
return {
name: '',
greeting: '',
};
},
methods: {
submitForm() {
if (this.name) {
this.greeting = `Hello, ${this.name}!`;
} else {
this.greeting = '';
}
},
},
};
</script>
This code outlines a Vue.js instance featuring two data properties, “name” and “greeting,” along with a single method, “submitForm.” The “submitForm” method updates the “greeting” data property based on the user’s input.
In this tutorial, we’ve navigated the essentials of working with Vue.js and Node.js, spanning the setup of a development environment and the construction of a straightforward web application. This tutorial serves as a foundational stepping stone for your exploration of the myriad features and capabilities inherent in Vue.js and Node.js. Should you require further assistance or seek to enlist Vue.js developers for your projects, feel free to explore the services offered by Reintech.
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