how to make post request using fetch in javascript code example
Example 1: 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 2: react post request
componentDidMount() {
// Simple POST request with a JSON body using fetch
const requestOptions = {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ title: 'React POST Request Example' })
};
fetch('https://jsonplaceholder.typicode.com/posts', requestOptions)
.then(response => response.json())
.then(data => this.setState({ postId: data.id }));
}
Example 3: 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;
});