select change event code example

Example 1: js select on change value

document.getElementById('my-select').addEventListener('change', function() {
  console.log('You selected: ', this.value);
});

Example 2: dropdown option selection change event in jquery

$("select [name='element_name']").change(function(){
	// condition goes here
});

Example 3: 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 4: javascript input value change

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

Example 5: html select change event

select.addEventListener('change', function);

Example 6: handling event changes

<p>Press Control-Space to continue.</p>
<script>
  window.addEventListener("keydown", event => {
    if (event.key == " " && event.ctrlKey) {
      console.log("Continuing!");
    }
  });
</script>