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
});

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;
  });}

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)
            })

display fetch response js

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

Inside Fetch Is A Request

Remember informally, fetch(request). 
The fetch itself is a promise