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Consuming a Rest API with Axios in Vue.js

  • Last Updated : 30 Jun, 2021
Geek Week

Many times when building an application for the web that you may want to consume and display data from an API in VueJS using JavaScript fetch API, Vue resource, jquery ajax API, but a very popular and most recommended approach is to use Axios, a promise-based HTTP client.

Axios is a great HTTP client library. Similar to JavaScript fetch API, it uses Promises by default. It’s also quite easy to use with VueJS.

Creating VueJS Application and Installing Module:

  • Step 1: Create a Vue application using the following command.

    vue create vue-app

     



  • Step 2: Install the Axios module using the following command.

    npm install axios 
  • Step 3: We can include Vue.js into HTML using the following CDN link:

    <script src=”https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js”></script>

    Project Directory: It will look like this.

Project structure

index.html




<!DOCTYPE html>
<html>
  
<head>
    <meta charset="utf-8" />
    <script src=
    </script>
    <script src=
    </script>
    <link rel="stylesheet" href="css/style.css">
</head>
  
<body>
    <div id="app-vue">
        <div class="users">
            <div v-if="errored">
                <p>
                    We're sorry, we're not able to 
                    retrieve this information at the 
                    moment, please try back later
                </p>
            </div>
  
            <div v-else>
                <h4 v-if="loading">
                    Loading...
                </h4>
                <div v-for="post in posts" 
                    :key="post" class="post">
                    {{post.title}}
                </div>
            </div>
        </div>
    </div>
  
    <script>
        new Vue({
            el: '#app-vue',
            data() {
                return {
                    posts: null,
                    loading: false,
                    errored: false
                }
            },
            created() {
  
                // Creating loader
                this.loading = true;
                this.posts = null
  
                axios.get(
                    .then(response => {
  
                        // JSON responses are 
                        // automatically parsed
                        this.posts = response.data
                    })
  
                    // Dealing with errors
                    .catch(error => {
                        console.log(error)
                        this.errored = true
                    })
            }
        });
    </script>
</body>
  
</html>

style.css




#app-vue {
    display: flex;
    justify-content: center;
    font-family: 'Karla', sans-serif;
    font-size: 20px;
}
     
.post {
    width: 300px;
    border: 1px solid black;
    display: flex;
    flex-direction: row;
    padding: 20px;
    background: #FFEEE4;
    margin: 10px;
}

Steps to Run Application: If you have installed the Vue app, you can run your application using this command.

npm run serve 

Output: If you are using it as CDN then copy the path of your HTML and paste it on your browser.

Output of our application

Conclusion: There are many ways to work with Vue and axios beyond consuming and displaying an API. You can also communicate with Serverless Functions, post/edit/delete from an API where you have to write access, and many other benefits.

Hey geek! The constant emerging technologies in the world of web development always keeps the excitement for this subject through the roof. But before you tackle the big projects, we suggest you start by learning the basics. Kickstart your web development journey by learning JS concepts with our JavaScript Course. Now at it’s lowest price ever!




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