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 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;

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 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 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 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 example

function App() {
  fetch("https://catfact.ninja/fact")
    .then((res) => res.json())
    .then((data) => {
      console.log(data);
    });

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));

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);
    });

JavaScript Fetch API

fetch(url)
    .then(response => {
        // handle the response
    })
    .catch(error => {
        // handle the error
    });

javascript fetch mehtod

//feth method 

// - take the url as parameter
// - return a promise
// - pass response when resolved
// - pass error when rejected
// - the response has the http response information
// - use the .json() is used to get the body of the response
// - .json return a promise
// - resolve the promise with data as the argument

        fetch("test.json")
            .then(response =>{
                return response.json();
            }).then(data=>{
                document.body.innerHTML = data.name;
                console.log(data)
            }).catch(error =>{
                console.error(error)
            })

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

fetch js

// space in "C ontent-Type"
const headers = {
  'C ontent-Type': 'text/xml',
  'Breaking-Bad': '<3',
};
fetch('https://example.com/', { headers });

JavaScript Fetch API

fetch(file)
.then(x => x.text())
.then(y => myDisplay(y));