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fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));
return fetch javascript
async function yourFunction() { //Most compact way to return a fetch
const response = await fetch('some-url', {});
const json = await response.json();
return json; //do here wathever with your json if you want to return
} //a specific part of it.
yourFunction().then(resp => {
console.log(resp); //Here you get the function response and print it
});
fetch api javascript
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((myJson) => {
console.log(myJson);
});
js fetch
fetch('http://example.com')
.then(response => response.text())
.then(data => console.log(data))
.catch(err => console.error(err));
/* for JSON, use response.json() on the 2nd line */
fetch method in js
import React, { useEffect, useState } from "react";
function App() {
const [user, setUser] = useState([]);
const fetchData = () => {
return fetch("https://jsonplaceholder.typicode.com/users")
.then((response) => response.json())
.then((data) => setUser(data));
}
useEffect(() => {
fetchData();
},[])
return (
<main>
<h1>User List</h1>
<ul>
{user && user.length > 0 && user.map((userObj, index) => (
<li key={userObj.id}>{userObj.name}</li>
))}
</ul>
</main>
);
}
export default App;
fetch api sample
fetch("https://catfact.ninja/fact")
.then((res) => res.json())
.then((data) => {
console.log(data);
});
Javascript fetch api
fetch('https://example.com/path',
{method:'GET',
headers: {
'Authorization': 'Basic ' + btoa('login:password') //use btoa in js and Base64.encode in node
}
})
.then(response => response.json())
.then(json => console.log(json));
fetch api in js
// fetch API
var myData = async () => {
try {
const raw_response = await fetch("https://jsonplaceholder.typicode.com/users");
if (!raw_response.ok) { // check for the 404 errors
throw new Error(raw_response.status);
}
const json_data = await raw_response.json();
console.log(json_data);
}
catch (error) { // catch block for network errors
console.log(error);
}
}
fetchUsers();
fetch get request
// Example POST method implementation:
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
// 'Content-Type': 'application/x-www-form-urlencoded',
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return response.json(); // parses JSON response into native JavaScript objects
}
postData('https://example.com/answer', { answer: 42 })
.then(data => {
console.log(data); // JSON data parsed by `data.json()` call
});
fetch api example
function App() {
fetch("https://catfact.ninja/fact")
.then((res) => res.json())
.then((data) => {
console.log(data);
});
fetch api
// Error handling while fetching API
const url = "http://dummy.restapiexample.com/api/v1/employee/40";
fetch(url) //404 error
.then( res => {
if (res.ok) {
return res.json( );
} else {
return Promise.reject(res.status);
}
})
.then(res => console.log(res))
.catch(err => console.log('Error with message: ${err}') );
fetch api javascript
fetch('https://apiYouWantToFetch.com/players') // returns a promise
.then(response => response.json()) // converting promise to JSON
.then(players => console.log(players)) // console.log to view the response
javascript fetch request GET
// Update fields in form based on API GET request
function update_form_fields(term, field){
fetch("/api/profiles/?format=json")
.then((response)=>{
return response.json();
}).then((data) => {
let profile = data.find(el => el[field] == term);
document.getElementById("name-input").value = profile.name;
document.getElementById("email-input").value = profile.email;
});}
fetch request
fetch(url).then(function(response) {
return response.json();
}).then(function(data) {
console.log(data);
}).catch(function() {
console.log("Booo");
});
.fetch method
fetch('http://example.com/data.json')
.then(data => data);
.catch(err => console.log(err));
fetch api
// Making get requests
const url = "http://dummy.restapiexample.com/api/v1/employees";
fetchurl()
.then(res => {
console.log(res);
})
.catch(err => {
console.log('Error: ${err}' );
});
js fetch
fetch('https://pokeapi.co/api/v2/pokemon/').then(function (response) {
return response.json(); // This returns a promise!
}).then(function (pokemonList) {
console.log(pokemonList); // The actual JSON response
}).catch(function () {
// Error
});
fetch api javascript
headers = {
'X-CoinAPI-Key': 'CB1D352F-23E7-4D64-97AC-FB5AEF4839FD'
}
fetch('https://rest.coinapi.io/v1/exchangerate/BTC', { headers })
.then(response => response.json())
.then(data => {
console.log('Success:', data);
})
fetch api javascript
fetch('https://picsum.photos/600/300')
.then(res => res.blob())
.then(blob => {
let img = document.createElement('img');
console.log(img);
img.src = URL.createObjectURL(blob);
document.body.appendChild(img)
docuemnt.querySelector('body').appendChild(img);
});
fetch api
const RcaApi = async () => {
const url = await fetch(
"http://quencies.alshumaal.com/api/RCAs/getallRcas.php"
);
const data = await url.json();
setFetchData(data.getallRCAs);
};
useEffect(() => {
RcaApi();
}, [setFetchData]);
JavaScript Fetch API
fetch(url)
.then(response => {
// handle the response
})
.catch(error => {
// handle the error
});
fetch api
async function fetchdata()
{
return await (await fetch("http://example.com/k.json")).json()
}
JavaScript fetch API
fetch('https://shazam.p.rapidapi.com/search?term=kiss%20the%20rain&locale=en-US&offset=0&limit=5', {
// request method
method: 'GET',
// headers from the API documentation
headers: {
'X-RapidAPI-Key': '8bd90c4cffmsh2788964981ec641p113417jsn3d0aff3880f5',
'X-RapidAPI-Host': 'shazam.p.rapidapi.com'
}
})
.then((result) => result.json()) // result from API endpoint
.then((data) => console.log(data)) // result in json format
.catch((error) => console.log(error)); // catching the error should it occur
How to use fetch api
async function fetchText() {
let response = await fetch('/readme.txt');
let data = await response.text();
console.log(data);
}Code language: JavaScript (javascript)
JavaScript Fetch API
fetch(file)
.then(x => x.text())
.then(y => myDisplay(y));
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