fetch default method

// There were no quick access to mode and credentials to other fetch answers. // Data you'll be sending const data = { funny: "Absolutely not", educational: "yas" } fetch('https://example.com/api/', { method: 'POST', // The method mode: 'no-cors', // It can be no-cors, cors, same-origin credentials: 'same-origin', // It can be include, same-origin, omit headers: { 'Content-Type': 'application/json', // Your headers }, body: JSON.stringify(data), }).then(returnedData => { // Do whatever with returnedData }).catch(err => { // In case it errors. })

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
  });

Posted by: Guest on September-13-2020

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