I'm try to add something to the standard Google calendar script:

This is my variable:

1. var full = !! entry.content.$t.match(/full/i);

1. console.log(booked)
   console.log(i)
   

And this is the anwer in my console:

1. false
   0
   
   

true

2.   // loop through each event in the feed
3.   for (var i = 0; i < feed.entry.length; i++) {
4.     var entry = feed.entry[i];
5.     var title = entry.title.$t;
6.     var start = entry['gd$when'][0].startTime;
7.     var full = !! entry.content.$t.match(/full/i);
8. 
   
9. console.log(booked)
10. console.log(i)
11. 
    
12.     var dateString = formatGCalTime(start);
13.     var li = document.createElement('li');
14. 
    
15.       span = document.createElement('span');
16.       span.appendChild(document.createTextNode(dateString));
17.       li.appendChild(span).addClass('timeDate');
18. 
    
19.       li.appendChild(document.createTextNode(' ' + title));
20.     
21.     ul.appendChild(li);
22.   }
23.   events.appendChild(ul);
24. }
 

My question is:

How do I add the text (...sorry we're booked) after a "date li" or change the color of that "date li" when it is "true"