var a=app.selection[0].contents.charCodeAt(0); 
alert(a); 

// eraseNotes.jsx  
var myCode = 65279; // = zero width no-break space = 0xFEFF  
var myDoc = app.documents[0]; 
var myStory = myDoc.stories; 
var myCounter = 0;  
for (oneStory = myStory.length-1; oneStory >= 0; oneStory--){  
	var myChars = myStory[oneStory].characters; 
		for (oneChar = myChars.length-1; oneChar >= 0; oneChar--){  
			try {  
				if (myChars[oneChar].contents.charCodeAt(0) == myCode) {  
					myChars[oneChar].remove();  
					myCounter += 1;  
					}  
				}  
			catch (e){}  
			}  
		}  
if (myCounter > 0){  
	alert ("Ready!\r" + myCounter + " notes erased."); 
	}  
else {  
alert ("Ready!"); 
}