how to get the value of select option in select box code example

Example 1: get selected option value

var conceptName = $('#aioConceptName').find(":selected").val();

Example 2: select box get value

// reference to 'scripts' select list 
// used throughout the examples below
var sel = document.getElementById('scripts');

// display value property of select list (from selected option)
console.log( sel.value );