javascript查找字符串中出现最多的字符和次数的小例子

复制代码代码如下:
<！DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>无标题文档</title>

var str = "hskflassssssssskssssdssssussssghgfhssssdsssfh";

var arr = str.split（""）;

arr.sort（）;

str = arr.join（""）;

var re = /（w）1+/g;

var value = "";

var num = 0;

str.replace（re,function（$0,$1）{

if（$0.length > num）{

num = $0.length;

value = $1;

}

}）;

alert（"最多的字符:"+value+",个数:"+num）;

</script>

</head>

<body>

</body>

</html>