index.js

function sendEmail(event) {
    event.preventDefault(); 
    let params = {
        name: document.getElementById('name').value,
        email: document.getElementById('email').value,
        message: document.getElementById('message').value
    };
    const serviceID = "service_x8jnmou";
const templateID = "template_34d344j";
    emailjs.send(serviceID, templateID,params)
        .then(
            res => {
                document.getElementById('name').value = '';
                document.getElementById('email').value = '';
                document.getElementById('message').value = '';
                console.log(res);
                alert("Your message has been sent successfully!");
            }
        )
        .catch(err => console.log(err));
}