无法在下拉按钮菜单中正确识别选择

Using twitter-bootstrap, I am planning to select one of the cities and change some content on the page due to the selection, but when I run the code I get all the cities and not the one I selected. How do I correctly identify the correct city. (Bonus) how do I ensure that the selection is highlighted now and has the glyphicon glyphicon-map-markerUsing twitter-bootstrap, I am planning to selec