try catch fetch
fetch("/api/foo")
.then( response => {
if (!response.ok) { throw response }
return response.json() //we only get here if there is no error
})
.then( json => {
this.props.dispatch(doSomethingWithResult(json))
})
.catch( err => {
err.text().then( errorMessage => {
this.props.dispatch(displayTheError(errorMessage))
})
})fetch catch
fetch(url).then((response) => {
if (response.ok) {
return response.json();
} else {
throw new Error('Something went wrong');
}
})
.then((responseJson) => {
// Do something with the response
})
.catch((error) => {
console.log(error)
});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));Copyright © 2021 Codeinu
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