JSFiddle - React, Tailwind, and code Playground

HTML

<input type="date" id="exdated" name="" onfocus="localStorage.setItem('myTestApp','exdated')" onchange="saveValue(this);">
<br><br>
<input type="date" id="datata" name="" onfocus="localStorage.setItem('myTestApp','datata')" onchange="saveValue(this);">
<br><br>
<script>
  let today = new Date().toISOString().slice(0, 10)

  document.getElementById("datata").value = getSavedValue("datata");
  document.getElementById("exdated").value = getSavedValue("exdated");

  function saveValue(e) {
    var id = e.id;
    var val = e.value;

    localStorage.setItem(id, val);
    console.log(localStorage)
  }

  function getSavedValue(v) {
    if (!localStorage.getItem(v)) {
      return today;
    }

    var itemcheta = localStorage.getItem(v);
    localStorage.removeItem(v);

    return itemcheta;
  }

</script>