//selected = $('div.test-selector li[class^=lang]');
//selected = $('ul.test-lang li ,ol.test-lang li');
//selected = $('ul.test-lang li');
//selected = $('ol.test-lang li');
//selected = $('ul.test-lang>li.lang-javascript');
//selected = $('ul.test-lang>li.lang-python');
//selected = $('ul.test-lang>li.lang-lua');
//selected = $('ol.test-lang>li.lang-swift');
//selected = $('ol.test-lang>li.lang-java');
//selected = $('ol.test-lang>li.lang-c');