chrome version

                                    function getChromeVersion () {     
    var raw = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);

    return raw ? parseInt(raw[2], 10) : false;
}

                                    wmic datafile where name="C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe" get Version /value

                                    // This calculation is near accurate
// This is only for developer

// Chrome version ——> relese year
relese_year = 2010 + chrome_version / 8
// Example: Chrome version = 75.0
// relese_year = 2010 + (75.0 / 8) = 2019.375 
//								  ~= mid of May 19 [Actual is start of June 19] 

// relese year ——> Chrome version
chrome_version = (relese_year - 2010) * 8
chrome_version = last_digit of year * 8