1 /*每个字符对应的模式 => 1,2,4,8对应二进制*/ 2     function everycharmod(i){ 3         if(i >= ‘a‘ && i <= ‘z‘){ 4             return 1; 5         }else if(i >= ‘A‘ && i <= ‘Z‘){ 6             return 2; 7         }else if(i >= ‘0‘ && i <= ‘9‘){ 8             return 4; 9         }else{10             return 8;11         }12     }13 14     function everystrmod(num){15         var mod = 0;16         for(var i = 0;i < 4; i++){17             if(num & 1)mod++;18             num = num >> 1;19         }20         return mod;21     }22 23     function getstrmod(str){24         var mod = 0;25         for(var i = 0;i < str.length ; i++){26             mod |= everycharmod(str[i]);27         }28         return everystrmod(mod);29     }30 31     $(function(){32         alert(getstrmod(‘1234zzzG!‘));33     });