async function like(id) {
    const usernameBox = document.getElementById('username');
    const passwordBox = document.getElementById('password');

    const formData = new FormData();
    formData.append('username', usernameBox.value);
    formData.append('password', passwordBox.value);
    formData.append('post', id);

    const result = await fetch('/like', {
        method: 'POST',
        body: formData
    });

    if (result.status < 200 || result.status >= 400) {
        alert("your post didnt get the like because the server thought your opinion was invalid");
    }
}