Wordlimit.js

function makeNumbers(s){
    return parseInt(s.replace(/^\D+/g, ""));
}

if(jQuery(".wordlimit").length > 0){
    jQuery('.form-submit').prop('disabled', true);
    jQuery('.wordlimit').before("<div class='wordcount-status'>Wordcount: <span class='wc-count'>0</span></div>");

    jQuery('.wordlimit').on('keyup blur', function(){
        var limits = jQuery(this).attr('class').match(/wordlimit-([0-9]+)/g);
        limits = limits.map(makeNumbers);
        if(limits.length == 1){
            limits.push(0);
        }
        var wordcount = jQuery.trim(jQuery(this).val()).split(/\s+/).length;
        var status = jQuery(this).siblings('.wordcount-status').children('.wc-count')
        status.text(wordcount);
        if(wordcount <= Math.max.apply(Math, limits) && wordcount >= Math.min.apply(Math, limits)){
            status.css('color','#04B404');
            jQuery('.form-submit').prop('disabled', false);
        }
        else{
            status.css('color','red');  
            jQuery('.form-submit').prop('disabled', true);
        }
    });
}