async function addTask(){
    try {
        let res = await POST('/', {Task: input.value});
        let liE = document.createElement("li");
        let ulE = document.querySelectorAll("ul");
        ulE[0].appendChild(liE);
        console.log(res.task);
        liE.innerHTML = res.task+"";
    } catch (e) {
        console.log("Error: " + e.message);
    }
    input.value = "";
};