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uploadFile(e){
const file = e.target.files[0];
storage.ref('images/'+ file.name).put(file)
.then(response => {
response.ref.getDownloadURL().then((downloadURL) => {
firebase.database().ref(YOUR_DATABASE).child(THE_USER_ID).update({imageUrl:downloadURL})
}
.catch(err => console.log(err))
}
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const formData = new FormData();
const 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())
.then((result) => {
console.log('Success:', result);
})
.catch((error) => {
console.error('Error:', error);
});