find most recurring char

function maxRecurringChar(text) {
    let charMap = {}
    let maxCharValue = 0
    let maxChar = ''
    for (let char of text) {
        if (charMap.hasOwnProperty(char)) {
            charMap[char]++
        } else {
            charMap[char] = 1
        }
    }
    for (let char in charMap) {
        if (charMap[char] > maxCharValue) {
            maxCharValue = charMap[char]
            maxChar = char
        }
    }
    return maxChar
}

function maxRecurringChar(text) {
    let charMap = {}
    let charArray =[]
    let vaulesArray = []
    let maxCharValue = 0

    for (let char of text) {
        if (charMap.hasOwnProperty(char)) {
            charMap[char]++
        } else {
            charMap[char] = 1
        }
    }
    charArray = Object.keys(charMap)
    vaulesArray = Object.values(charMap)
    maxCharValue = Math.max(...vaulesArray)
    
    return charArray[vaulesArray.indexOf(maxCharValue)]
}