<div class="footer">&copy;<span id="year"> </span><span> Your Company Name. All rights reserved.</span></div>

:root {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
body {
  height: 100vh;
  overflow: hidden;
}
.footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: purple;
  color: white;
  font-weight: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.2rem;
}

let year = document.querySelector("#year");

$(document).ready(function () {
  year.innerText = new Date().getFullYear();
});