<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
<script>
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+',個數:'+num);
</script>
</head>
<body>
</body>
</html>
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