解析倍增数

gistfile1.txt

function parse(result) {
    var cursor = 1,
        arr = []
    while (cursor <= result) {
        if (result & cursor) arr.push(cursor)
        cursor *= 2
    }
    console.log(arr)
}

for (var i = 0; i < 100; i++) {
    parse(i)
}