javascript fetch post json body code example
Example 1: fetch json post
(async () => {
const rawResponse = await fetch('https://httpbin.org/post', {
method: 'POST',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
body: JSON.stringify({a: 1, b: 'Textual content'})
});
const content = await rawResponse.json();
console.log(content);
})();
Example 2: js fetch 'post' json
const data = { username: 'example' };
fetch('https://example.com/profile', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify(data),
})
.then((response) => response.json())
.then((data) => {
console.log('Success:', data);
})
.catch((error) => {
console.error('Error:', error);
});
Example 3: how to post data using fethch
fetch('url here', {
method: 'POST',
headers: {'Content-Type':'application/x-www-form-urlencoded'},
body: 'foo=bar&blah=1'
});
Example 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;
});