The character that appears most often in a string. Count this number [implementation code]_javascript skills

The most frequent characters in a string count this number [Implementation code]_javascript skills

var str = 'asdfssaaasasasasaa';
var json = {};

for (var i = 0; i < str.length; i++) {
  if(!json[str.charAt(i)]){
    json[str.charAt(i)] = 1;
  }else{
    json[str.charAt(i)]++;
  }
};
var iMax = 0;
var iIndex = &#39;&#39;;
for(var i in json){
  if(json[i]>iMax){
    iMax = json[i];
    iIndex = i;
  }
}
alert(&#39;出现次数最多的是:&#39;+iIndex+&#39;出现&#39;+iMax+&#39;次&#39;);

The above statistics of the most frequent characters in a string [implementation code] are all the content shared by the editor. For more related content, please pay attention to PHP Chinese website (www.php.cn)!