JS Obtenha alvo para e cada vez

handleSubmit(event) {
    event.preventDefault();

    let target   = event.target;
    let formData = {};

    for (let i = 0; i < target.length; i++) {
        formData[target.elements[i].getAttribute("name")] = target.elements[i].value;
    }
    console.log('formData', formData); 
}
Borma