Get selected value/text from Select on change

by

Use either JavaScript or jQuery for this.

Using JavaScript

<script>
function val() {
    d = document.getElementById("select_id").value;
    alert(d);
}
</script>

<select onchange="val()" id="select_id">

Using jQuery 

$('#select_id').change(function(){
    alert($(this).val());
})

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