JavaScript Code

function getMaxCharFrequency(s) {
    const frequencyMap = {};
    for (let i = 0; i < s.length; i++) {
        const char = s[i];
        if (frequencyMap[char]) {
            frequencyMap[char]++;
        } else {
            frequencyMap[char] = 1;
        }
    }
    let maxChar = '';
    let maxFrequency = 0;
    for (const char in frequencyMap) {
        if (frequencyMap[char] > maxFrequency) {
            maxChar = char;
            maxFrequency = frequencyMap[char];
        }
    }
    const resultText = `最大字符: ${maxChar}\n出现次数: ${maxFrequency}`;
    return resultText;
}
const s = "aabbcccddddeeeee";
const result = getMaxCharFrequency(s);

    

运行结果