Api github no results

let btn = document.querySelector('button');
btn.addEventListener('click', test);
function test(e) {
    e.preventDefault();

    let yepa = document.querySelector('.yep').value;
    fetch("https://api.github.com/users/" + yepa)
    .then((result) => result.json())
    .then((data) => {
     let nop = document.querySelector('.nop');

    if (data.id == null) {
        nop.innerHTML = "No results";
        nop.style.color = "red";
    }
}