v2_lottery.js

var names = $(".cell strong a").map(function () {
    return (this.text)
}).toArray();
var distinctNames = new Set(names);
if (distinctNames.length < 80 || names.length < 100) {
    console.log('重复数超过20，或者总回复不到100，本页不抽取');
} else {
    var sum = 0;
    distinctNames.forEach(function (name) {
        for (var i in name) {
            sum += name[i].charCodeAt()
        }
    });
    var prizeNum = sum % 100 + 1;
    while (1) {
        console.log('中奖号:' + (prizeNum));
        if (names.indexOf(names[prizeNum - 1]) === prizeNum - 1) {
            console.log(names[prizeNum - 1]);
            break;
        } else {
            console.log('中奖号非第一次回复的楼号,顺延');
            if (prizeNum === 100) {
                prizeNum = 1
            } else {
                prizeNum += 1
            }
        }
    }
}