jQuery addClass example
Change class name on click in jQuery
by itamark
HTML
<select name="" id="hello">
<option value="a" selected>a</option>
<option value="world">world</option>
<option value="darkness">darkness</option>
</select>
JavaScript
// find elements
var select = $("#hello")
console.log(select[0].value); // prints a
// handle click and add class
select.on("change", function(e){
console.log(e.target.value) // prints selection
})