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>
javascript input value change
function updateInput(ish){
document.getElementById("fieldname").value = ish;
}
addeventlistener js select item
selectId.addEventListener("change", function() {
});
dropdown option selection change event in jquery
$("select [name='element_name']").change(function(){
// condition goes here
});