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// 将十进制转换为2进制  function toBin(intNum) {	  var answer = "";	  if(/\d+/.test(intNum)) {		while(intNum != 0) {		  answer = Math.abs(intNum%2)+answer;		  intNum = parseInt(intNum/2);		}		if(answer.length == 0)		  answer = "0";		return answer;	  } else {		return 0;	  }} // 返回num个0的字符串拼接 function addZero (num) {	 var result = '';	 for ( i=0;i
   
    = 0;i--)	   {		   result = ((str1.charAt(i)=='1' && str2.charAt(i)=='1') ? '1' : '0') + result;	   }       return parseInt(result,2); }// 大数值按位或 function  bigIntOr(str1,str2) {	   var result = '';	   str1 = toBin(str1);	   str2 = toBin(str2);	   if(str1.length < str2.length)	   {             var temp = str1;			 str1 = str2;		     str2 = temp;	   }	   str2 = addZero(str1.length - str2.length) + str2;	  	   for (i = str2.length - 1 ;i >= 0;i--)	   {		  result = ((str1.charAt(i)=='1' || str2.charAt(i)=='1') ? '1' : '0') + result;	   }	   result = str1.substring (0,str1.length - str2.length) +result;	   return parseInt(result,2); }
   

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