<script type="text/javascript"> $(function(){ $("li").click(function(){ var oli=$(this)[0]; alert($("li").index(oli)); }); }); </script> </head> <body> <ul id="test"><li>2</li><li>3</li><li>4</li><li>5</li><li>6</li></ul> </body> 相关文章: 2021-11-29 2022-12-23 2021-12-14 2022-01-08 2022-01-11 2022-12-23 2022-12-23