JS
<form onsubmit="return sendData()"> <input type="text" id="name" required/> <input type="email" id="email" required/> <input type="submit" value="Go!"/> </form>
function sendData () { GET FORM DATA var data = new FormData(); data.append("name", document. getElementById("name").value); data.append("email", document. getElementById("email").value);
INIT FETCH POST fetch("URL", { method: "POST", body: data })
SERVER RESPONSE .then((res) => { return res.text(); }) .then((res) => { alert(txt); }); return false; }