https://www.healthycommunitieshealthyfuture.org/wp-content/themes/nlc-site/js/jquery.limit-1.2.source.js

1(function($){ 
2    $.fn.extend({  
3	limit: function(limit,element) {
4			
5	    var interval, f;
6	    var self = $(this);
7					
8	    $(this).focus(function(){
9		interval = window.setInterval(substring,100);
10	    });
11			
12	    $(this).blur(function(){
13		clearInterval(interval);
14		substring();
15	    });
16			
17	    substringFunction = "function substring(){ var val = $(self).val();var length = val.length;if(length > limit){$(self).val($(self).val().substring(0,limit));}";
18	    if(typeof element != 'undefined')
19		substringFunction += "if($(element, self.parent()).html() != limit-length){$(element, self.parent()).html((limit-length<=0)?'0':limit-length);}"
20				
21	    substringFunction += "}";
22			
23	    eval(substringFunction);
24			
25			
26			
27	    substring();
28			
29	} 
30    }); 
31})(jQuery);