fetch api javascript post 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
//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
Example 3: javascript fetch api post
fetch('https://example.com/profile', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
'foo': 'bar'
}),
})
.then((res) => res.json())
.then((data) => {
// Do some stuff ...
})
.catch((err) => console.log(err));
Example 4: javascript fetch api
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((data) => {
console.log(data);
});
Example 5: .fetch method
fetch('http://example.com/movies.json')
.then(response => response.json())
.then(data => console.log(data));
Example 6: fetch
var formData = new FormData();
var fileField = document.querySelector("input[type='file']");
formData.append('username', 'abc123');
formData.append('avatar', fileField.files[0]);
fetch('https://example.com/profile/avatar', {
method: 'PUT',
body: formData
})
.then(response => response.json())
.catch(error => console.error('Error:', error))
.then(response => console.log('Success:', response));