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Answers for "fetch params"

Javascript
35

js fetch 'post' json

//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);
});

//																		Yeah
Posted by: Guest on March-28-2020
3

javascript fetch json

fetch('./yourjson.json')
  .then((response) => response.json())
  .then((data) => {
  	console.log(data);
  })
Posted by: Guest on December-07-2020
2

fetch and then javascript send parameters

const url = 'https://randomuser.me/api';
// The data we are going to send in our request
let data = {
    name: 'Sara'
}
// The parameters we are gonna pass to the fetch function
let fetchData = { 
    method: 'POST', 
    body: data,
    headers: new Headers()
}
fetch(url, fetchData)
.then(function() {
    // Handle response you get from the server
});
Posted by: Guest on September-16-2020
4

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
4

fetch post js

var myHeaders = new Headers();

var myInit = { method: 'POST',
               headers: myHeaders,
               mode: 'cors',
               cache: 'default' };

fetch('flowers.jpg',myInit)
.then(function(response) {
  return response.blob();
})
.then(function(myBlob) {
  var objectURL = URL.createObjectURL(myBlob);
  myImage.src = objectURL;
});
Posted by: Guest on February-27-2020

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