您可以使用

You can use

var e = document.getElementById("ddlViewBy");
var value = e.options[e.selectedIndex].value;
var text = e.options[e.selectedIndex].text;

JavaScript:

var t = document.getElementById("ddlViewBy");<br />
var selectedText = t.options[t.selectedIndex].text;

jQuery:
已优化:

jQuery:
Optimized:

("#ddlViewBy option").is("selected").text();
最快:

("#ddlViewBy option").is("selected").text();
Fastest: