fetch function library code example
Example 1: .fetch method
fetch('http://example.com/movies.json')
.then(response => response.json())
.then(data => console.log(data));
Example 2: javascript fetch
var myHeaders = new Headers();
var myInit = { method: 'GET',
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;
});