eventlistener onCHANGE code example

Example 1: js addeventlistener change select

<input id="test" type="text" value="Sélectionnez-moi !" />
<script>
  var elem = document.getElementById('test');
  elem.addEventListener('select', function() {
    alert('La sélection a changé !');
  }, false);
</script>

Example 2: javascript input value change

function updateInput(ish){
    document.getElementById("fieldname").value = ish;
}

Example 3: on change event html not working

onchange is only triggered when the control is blurred. Try onkeypress instead.

Example 4: addeventlistener js select item

selectId.addEventListener("change", function() {

});