【js】selector值改变时显示当前选中option值

<select id="seletor" onChange="route()">
	<option value="0">A</option>
	<option value="1">B</option>
	<option value="2">C</option>
</select>

function route(){
        var selector = document.getElementById("seletor");	
        var text = selector.options[selector.selectedIndex].text;
        var value = selector.options[selector.selectedIndex].value;
        alert(value + ":" + text);
}

var text = $("#selector")[0].options[$("#selector")[0].selectedIndex].text