function getIdCardInfo(idcard){        var sigma = 0;        var a = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 );        var w = new Array("1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2");        for(var i = 0; i < 17; i++) {            var ai = parseInt(idcard.substring(i, i + 1));            var wi = a[i];            sigma += ai * wi;        }        var number = sigma % 11;        return idcard.substring(0,17)+w[number];    }    function idCard15To18(id){        var W = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1);        var A = new Array("1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2");        var i,j,s=0;        var newid;        newid = id;        newid = newid.substring(0,6)+"19"+newid.substring(6,id.length);        for(i=0;i

js验证，value代码身份证号码

if(value.length==18){     return getIdCardInfo(value)==value;}else if(value.length==15){     var id18=idCard15To18(value);     return getIdCardInfo(id18)==value;}else{     return false;}