How to fetch data from an API in Svelte
In this post we will give you information about How to fetch data from an API in Svelte. Hear we will give you detail about How to fetch data from an API in SvelteAnd how to use it also give you demo for it if it is necessary.
we are going to learn about how to fetch the data from a backend api in svelte using fetch api.
Fetching data from api
This a simple example that fetches the data from a JSON placeholder api once the data is available we are rendering it into the dom.
<script> import { onMount } from "svelte"; let users = []; onMount(async () => { const res = await fetch('https://jsonplaceholder.typicode.com/users'); users = await res.json(); });</script><div> <h1>Users List</h1> {#each users as user} <ul> <li>{user.id} - {user.name}</li> <li>{user.email}</li> </ul> {:else} <!-- this block renders when users.length === 0 --> <p>loading...</p> {/each}</div>In the code above, we first declared a users variable with an empty array [], inside the onMount lifecycle hook we are sending an HTTP get request to the Json placeholder api once the response is available we assigning the data to the users variable.
In Html, we are using the svelte each block syntax to loop over the array of users and displaying each user details.
If the data is still fetching, we are displaying a loading indicator using :else block.
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