复制代码 代码如下:
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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);