fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));
fetch api javascript
fetch('http://example.com/songs')
.then(response => response.json())
.then(data => console.log(data))
.catch(err => console.error(err));
fetch api javascript
fetch('http://example.com/movies.json')
.then((response) => {
return response.json();
})
.then((myJson) => {
console.log(myJson);
});
fetch get request
// Example POST method implementation:
async function postData(url = '', data = {}) {
// Default options are marked with *
const response = await fetch(url, {
method: 'POST', // *GET, POST, PUT, DELETE, etc.
mode: 'cors', // no-cors, *cors, same-origin
cache: 'no-cache', // *default, no-cache, reload, force-cache, only-if-cached
credentials: 'same-origin', // include, *same-origin, omit
headers: {
'Content-Type': 'application/json'
// 'Content-Type': 'application/x-www-form-urlencoded',
},
redirect: 'follow', // manual, *follow, error
referrerPolicy: 'no-referrer', // no-referrer, *no-referrer-when-downgrade, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin, unsafe-url
body: JSON.stringify(data) // body data type must match "Content-Type" header
});
return response.json(); // parses JSON response into native JavaScript objects
}
postData('https://example.com/answer', { answer: 42 })
.then(data => {
console.log(data); // JSON data parsed by `data.json()` call
});
fetch api
// Error handling while fetching API
const url = "http://dummy.restapiexample.com/api/v1/employee/40";
fetch(url) //404 error
.then( res => {
if (res.ok) {
return res.json( );
} else {
return Promise.reject(res.status);
}
})
.then(res => console.log(res))
.catch(err => console.log('Error with message: ${err}') );
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));
fetch api
// Making post request
const url = 'http://dummy.restapiexample.com/api/v1/create'
const user = {
name: 'Rahul'
age: '16'
salary: '000'
};
const options = {
method: 'POST'
body: JSON.stringify(user),
}
fetch(url, options)
.then( res => res.json())
.then( res=> console.log(res));
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