gistfile1.js

    /**
    * Takes the given HTML data, replaces all its HTML tags with nothing, splits the result by spaces,
    * and outputs the array length i.e. number of words.
    *
    * @param string htmlData HTML Data
    * @return int Word Count
    */
    function GetWordCount(htmlData) {
        var count = 0;

        if (htmlData != '') {
            htmlData = $(htmlData.replace(/[\s\n\t]+/g, ' ')).text();
            htmlData = htmlData.replace(/\s+/g, ' ').split(' ');

            $(htmlData).each(function(index){
                if (this != '') count += 1;
            });
        }

        return count;
    }