点击增加class · 前端开发

``` <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script> </head> <body> <a title="123" >鼠标点击</a> </body> <script type="text/javascript"> $('a').on('click',function(){ $(this).addClass('addClass'); }); </script> </html> ```