JAVASCRIPT

javascript fetch json

fetch('./yourjson.json')
  .then((response) => response.json())
  .then((data) => {
  	console.log(data);
  })

js fetch json

var myRequest = new Request('products.json');//GET
var myRequest = new Request('products.json', {method: "post"});//POST

fetch(myRequest)
  .then(response => response.json())
  .then(data => {
    console.log(data);
  })
  .catch(console.error);

javascript fetch APIjson

//Set URL from External Variable
const url = '{{url}}';
//Set Admin P from Input variable
const adminP = '{{adminP}}';
//Set Admin Password from input variable
const adminPW = '{{adminPW}}';


fetch(url)
    .then(res => res.json())
    .then(data => {
        // code to handle the response
    }).catch(err => {
        console.error('Error: ', err);
    });
    
    
// create an element
const createNode = (elem) => {
    return document.createElement(elem);
};
// append an element to parent
const appendNode = (parent, elem) => {
    parent.appendChild(elem);
}
// ...
.then(data => {
    // iterate over response
    data.map((responseD) => {
        // create the elements
        let li = createNode('li'),
            img = createNode('img'),
            span = createNode('span');
        img.src = user.avatar_url;
        span.innerText = user.login;
        // append all elements
        appendNode(li, img);
        appendNode(li, span);
        appendNode(ul, li);
    });
})
//...

get jsonp with fetch

fetchJsonp('/users.jsonp')
  .then(function(response) {
    return response.json()
  }).then(function(json) {
    console.log('parsed json', json)
  }).catch(function(ex) {
    console.log('parsing failed', ex)
  })