jQuery addClass example
Change class name on click in jQuery
by aparadise
HTML
<select class="mainCountry" name="country-region">
<option value="US" data-showcontrols="true">United States</option><option value="CA" data-showcontrols="false">Canada</option><option value="DE" data-showcontrols="false">Germany</option><option value="FR" data-showcontrols="false">France</option>
</select>
JavaScript
$('select.mainCountry').on('change', function() {
var theValue = this.value;
alert(theValue);
//var test = $(this).data("showcontrols");
if (theValue == 'US') {
alert('true')
}
});