jquery.hotkeys监听键盘按下事件keydown插件

                jQuery(document).bind(‘keydown’, ‘Ctrl+b’,function (evt){jQuery(‘#_Ctrl_b’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+c’,function (evt){jQuery(‘#_Ctrl_c’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+d’,function (evt){jQuery(‘#_Ctrl_d’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+e’,function (evt){jQuery(‘#_Ctrl_e’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+f’,function (evt){jQuery(‘#_Ctrl_f’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+g’,function (evt){jQuery(‘#_Ctrl_g’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+h’,function (evt){jQuery(‘#_Ctrl_h’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+i’,function (evt){jQuery(‘#_Ctrl_i’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+j’,function (evt){jQuery(‘#_Ctrl_j’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+k’,function (evt){jQuery(‘#_Ctrl_k’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+l’,function (evt){jQuery(‘#_Ctrl_l’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+m’,function (evt){jQuery(‘#_Ctrl_m’).addClass(‘dirty’); return false; });
                jQuery(document).bind(‘keydown’, ‘Ctrl+n’,function (evt){jQuery(‘#_Ctrl_n’).addClass(‘dirty’); return false; });