select option data attr

by lovromar

HTML

<select id="sampleorder">
 <option value='xxx' data-amount='5'>Name</OPTION>
 <option value='xxx' data-amount='15'>Name</OPTION>
 <option value='xxx' data-amount='2'>Name</OPTION>
</select>

JavaScript

$('select#sampleorder').on('change',function(){
    var sampleAmount = $('select#sampleorder option:selected').data("amount");
    alert(sampleAmount);
});