js查找出现次数最多的字母

2023-01-29 20:54:32

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script>
var str ='adadsadsaadassadsaasdfdf';
var json = {};
for(var i = 0; i < str.length; i++){
   if(json[str[i]]){
       json[str[i]]++;
   }else{
       json[str[i]] = 1;
   }
}

console.log(json);

var n = 0;
var s = '';

for(var name in json){

   if(n < json[name]){
       n = json[name];
       s = name;
   }
}
alert('出现次数最多的字母是:' + s + '出现了:' + n + '次');
</script>
</head>

<body>
</body>
</html>

码农公寓

相关文章