document.addEventListener("DOMContentLoaded", function () {
    document.getElementById("startForm").addEventListener("submit", async function (formE) {
        formE.preventDefault();
        formData = new FormData(formE.target);
        const response = await fetch("test.php", {
            method: "POST",
            body: formData,
            credentials: "include",
            headers: {
                'X-Requested-With': 'XMLHttpRequest'
            }
        });
        const result = await response.json();
        document.getElementById("content").innerHTML = result.msg;
    });
});