下面这个函数是js查找一篇英文文章中出现频率最高的单词(由26个英文字母大小写构成)，输出该单词及出现次数，不区分大小写，主要是正则的运用：
max){
max=num;
maxword = array[i];
}
}
console.log(maxword+" "+max);
}
counts("Age has reached the end of the beginning of a word. May be guilty in his seems to passing a lot of different life became the appearance of the same day;");