Redirect based on form selection

form.html

<form id="myForm">
  <select id="select">
    <option value="pageSlug1">Page Title 1</option>
    <option value="pageSlug2">Page Title 2</option>
    <option value="pageSlug3">Page Title 3</option>
  </select>
  <button onclick="selectRedirect()">Submit</button>
</form>

redirect.js

// Prevent submit button from refreshing page
document.getElementById("myForm").addEventListener('submit', handleForm);
function handleForm(event) { event.preventDefault(); }

function countyRedirect() {
  let field = document.getElementById("select");
  let value = field.value;
  console.log(field, value);
  window.location.href = "https://example.com/" + value;
}