JAVASCRIPT

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
});

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 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 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 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
  });

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));

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

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)

display fetch response js

// This will give you a response status code
console.log(response.status)

JavaScript Fetch API

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