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JAVASCRIPT
fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));
fetch javascript
const data = { username: 'example' };
fetch('https://example.com/profile', {
method: 'POST', // or 'PUT'
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(data),
})
.then(response => response.json())
.then(data => {
console.log('Success:', data);
})
.catch((error) => {
console.error('Error:', error);
});
Fetch
The fetch() method in JavaScript is used to request to the server and load
the information on the webpages. The request can be of any APIs that return
the data of the format JSON or XML.
This method returns a promise.
fetch('http://example.com/movies.json')
.then((response) => response.json())
.then((data) => console.log(data));
fetch api javascript
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((myJson) => {
console.log(myJson);
});
fetch
//Obj of data to send in future like a dummyDb
const data = { username: 'example' };
//POST request with body equal on data in JSON format
fetch('https://example.com/profile', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(data),
})
.then((response) => response.json())
//Then with the data from the response in JSON...
.then((data) => {
console.log('Success:', data);
})
//Then with the error genereted...
.catch((error) => {
console.error('Error:', error);
});
//
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
const options = {method: 'GET', headers: {Accept: 'application/json'}};
fetch('https://api.test.com/data/id', options)
.then(response => response.json())
.then(response => console.log(response))
.catch(err => console.error(err));
fetch function javascript
const loadData = () => {
const url = `...URL...`;
fetch(url)
.then(res => res.json())
.then(data => console.log(data))
.catch(error = console.log(error))
};
loadData();
// See Results On Browser Consol
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 Javascript
fetch('/payment', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
'url': '/payment',
"X-CSRF-Token": document.querySelector('input[name=_token]').value
},
})
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
fetch
// Get
fetch('<your-url>')
.then((response) => response.json()).then(console.log).catch(console.warn);
// POST, PUT
data = "your data"
fetch('<your-url>', {
method: 'POST', // or 'PUT'
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(data),
})
.then(response => response.json()).then(console.log).catch(console.warn);
fetch request
fetch(url).then(function(response) {
return response.json();
}).then(function(data) {
console.log(data);
}).catch(function() {
console.log("Booo");
});
fetch
const fetch = require('node-fetch');
let response = await fetch(`your url paste here`, {
headers: {
Authorization: `Token ${API_TOKEN}`,
"Content-Type": "application/json",
},
body: JSON.stringify(payload),
method: 'POST',
});
const results = await response.json();
console.log("======> :: results", results);
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}' );
});
fetch
var formData = new FormData();
var fileField = document.querySelector("input[type='file']");
formData.append('username', 'abc123');
formData.append('avatar', fileField.files[0]);
fetch('https://example.com/profile/avatar', {
method: 'PUT',
body: formData
})
.then(response => response.json())
.catch(error => console.error('Error:', error))
.then(response => console.log('Success:', response));
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
async function sendMe()
{
let r =await fetch('/test', {method: 'POST', body: JSON.stringify({a:"aaaaa"}), headers: {'Content-type': 'application/json; charset=UTF-8'}})
let res = await r.json();
console.log(res["a"]);
}
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]);
fetch api
async function fetchdata()
{
return await (await fetch("http://example.com/k.json")).json()
}
fetch js
// space in "C ontent-Type"
const headers = {
'C ontent-Type': 'text/xml',
'Breaking-Bad': '<3',
};
fetch('https://example.com/', { headers });
fetch
fetch(APIURL)
.then((res) => res.json())
.then((users) => setData(users))
.catch((err) => console.log(err));
fetch
fetch("https://skilltest.dgcal.it/check_step_4", {
method: "POST",
body:
'username=federica-schillaci'
,
})
fetch
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