html select value 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: 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>