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why my following fiddle giving output without any print call?

I have one piece of code as:
<script type="text/javascript"><!--
google_ad_client = "ca-pub-8514414755716493";
/* AdX_Washington_Examiner */
google_ad_slot = "9465392777";
google_ad_width = 320;
google_ad_height = 50;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
Why this code is giving output as "}//]]>" ??
I have not written any print call still it is giving output..
Here is my fiddle link http://jsfiddle.net/akshaynikte/ryLPf/6/#

Here are a few excerpts from the jsFiddle documentation page :
The JavaScript panel
Code entered in this panel will be placed in header’s script block,
that is between <script type="text/javascript"> and </script>.
The Add Resources section
CSS or JS (with appropriate extension) which should be loaded after
the framework. It’s a perfect place to put libraries which are
framework independent, like RaphaelJS
So, the correct way to work with the script in your question would be:
Add the following to the JavaScript panel.
<!--
google_ad_client = "ca-pub-8514414755716493";
/* AdX_Washington_Examiner */
google_ad_slot = "9465392777";
google_ad_width = 320;
google_ad_height = 50;
-->
Add http://pagead2.googlesyndication.com/pagead/show_ads.js to the Add resources section on the left side of the page.
Here's a link to a properly configured sample: http://jsfiddle.net/edywd/.

It seems to be a bug on fiddler (or that it doesn't allow script tags on javascript panel) , if you change the script to anything else, you'll see that it happens the same.
You should place your script on HTML panel, that works fine according my tests.

<script type="text/javascript"><!--
google_ad_client = "ca-pub-8514414755716493";
/* AdX_Washington_Examiner */
google_ad_slot = "9465392777";
google_ad_width = 320;
google_ad_height = 50;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
you cant use script tags in js textarea of jsfiddle,it is js only, if you want use script tags , put them in the html textarea of jsfiddle

Calling function to execute javascript code

I would like to place a javascript (adsense) code inside the post (not above or after the post). It will be a HTML page.
Is there any way i can put my adsense code in external Js file and i will use one function to display it.
adsense code looks something like
<script type="text/javascript"><!--
google_ad_client = "pub-xxxxxxxxxxxxxxxx";
google_ad_host = "pub-xxxxxxxxxxxxxxxx";
google_ad_slot = "xxxxxxxxxx";
google_ad_width = 336;
google_ad_height = 280;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
So if i call a function CallMe() which will start showing ad wherever i have used the function. In future if i would like to replace ad code with another code then i dont want to go to each post and replace it. I will just replace the adcode from js file.
I am a newbie and have just started learning JavaScript so i am really not aware if it can be done or not.
Any suggestion ?

Create file called AdSense.js with the following code:
google_ad_client = "pub-xxxxxxxxxxxxxxxx";
google_ad_host = "pub-xxxxxxxxxxxxxxxx";
google_ad_slot = "xxxxxxxxxx";
google_ad_width = 336;
google_ad_height = 280;
function ApplyAdSense() {
var oScript = document.createElement("script");
oScript.type = "text/javascript";
oScript.src = "http://pagead2.googlesyndication.com/pagead/show_ads.js";
document.getElementsByTagName("head")[0].appendChild(oScript);
}
Now whenever you want adsense in your code, first include the file:
<script type="text/javascript" src="AdSense.js"></script>
Then call the function:
<script type="text/javascript">
ApplyAdSense();
</script>
This way, until you call the function nothing happens.. and you can also comment the code inside the function to disable adsense throughout all your site.

Wherever you want the ad to show up, place this code (assuming you have a function called CallMe).
<some html>
<script type="text/javascript">CallMe();</script>
</some html>

If your concern is about the page loading time, Adsense released the asynchronous version of their Adsense code. Please see https://support.google.com/adsense/answer/3221666?hl=en

Dynamic insertion of Google AdWords conversion tracking explodes in safari

I'm working on a single page app that will probably fire more than 1 conversion per pageload.
I need to fire the google conversion snippet, so I assumed that I could throw it in at run time. The snippet looks something like this:
<script type="text/javascript">
/* <![CDATA[ */
var google_conversion_id = XXXXXXXX;
var google_conversion_language = "en";
var google_conversion_format = "2";
var google_conversion_color = "ffffff";
var google_conversion_label = "XXXXXXXXXXXXXXX";
var google_conversion_value = 25.00;
/* ]]> */
</script>
<script type="text/javascript" src="http://www.googleadservices.com/pagead/conversion.js">
</script>
I have been using javascript to insert the snippet when a conversion has fired. I'm doing it like this:
function(id,url,content){
// add script
var script = document.createElement("script");
script.type = "text/javascript";
if(url) script.src = url;
if(content) script.text = content;
var bucket = document.getElementById(id);
bucket.appendChild(script);
debugger;
}
This works in all the browsers I've tried it in, except safari.
In safari, when the 2nd script tag is added, the entire body tag's content is replaced with a google iFrame. The whole dom is nuked in fact. The head's content is wiped out as well.
What the hell is happening in that google script, and how do I insert this without everything blowing up?!?
Update:
Looks like for some reason safari didn't like the way I was adding the script. To fix this, I added bucket.innerHTML = '' below the debugger line and it worked great in Safari. Unfortunately, that caused FF 3.6 to do what safari was previously doing and nuke the DOM.
To make it even more complicated, it seems AdWords was rejecting these conversions or something, they don't show up on the reporting end when injected to the page.
My current approach is to use htaccess and a little string parsing to generate a page with nothing but the conversion snippet on it, and iFrame it in. I'll report back on that.

Perhaps it might be easier to insert the Google Ads via an iFrame?
Such as like this:
<iframe src="/documents/adsense.htm" width="728px" height="90px" frameborder="0" marginwidth ="0px" marginheight="0px" scrolling="no"></iframe>
iFrame contains:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Google Adsense</title>
<base target="_parent">
</head>
<body>
<!--insert Google Adsense Code Here-->
</body>
</html>
Google will still know and track the parent page.

How to Minify Google AdSense JS?

Whenever I minify the AdSense script I got from Google, it stops working. Any ideas why?
Original Code:
<script type="text/javascript"><!--
google_ad_client = "xxx";
/* Ad 1 */
google_ad_slot = "2668798369";
google_ad_width = 160;
google_ad_height = 600;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
Minified Code:
<script type="text/javascript"><!--google_ad_client = "xxx";/* Ad 1 */google_ad_slot = "2338787596";google_ad_width = 200;google_ad_height = 200;//--></script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js"></script>
The minification is being done by Smarty's {strip} tags.

The problem is the HTML comment tags at the start and end of the first script tag. You don't need them, they're just there to work around Netscape 1.0
Try replacing your minified script with this
<script type="text/javascript">google_ad_client="xxx";google_ad_slot="2668798369";google_ad_width=160;google_ad_height=600;</script><script type="text/javascript"src="http://pagead2.googlesyndication.com/pagead/show_ads.js">

i think you left out this part:
//-->

Try to remove the <!--
Hope it helps

It'll be the <!-- - this can mean 'treat this line as a comment'. It's an old compatibility hack for browers that didn't support JavaScript.
Either remove it or add a linebreak afterwards, i.e.
<script type="text/javascript"><!--
google_ad_client="xxx"; ...
though I can't see what minifying here is gaining you - there's nothing that can be renamed or compressed.

Look out for this:
<!-- and -->

Dynamically loaded JavaScript file and non-ASCII characters

I have the following problem:
<script type="text/javascript">
alert("1. ČĆŽŠĐčćžšđ");
</script>
<script type="text/javascript" src="Tst.js"></script>
<script type="text/javascript">
var pScript = document.createElement("script");
pScript.type = "text/javascript";
pScript.src = "Tst.js";
pScript.charset = "windows-1250";
$("body").append(pScript);
</script>
(These are Croatian characters.)
Contents of Tst.js is:
alert("2. ČĆŽŠĐčćžšđ");
Output of this script in FireFox (and Safari, so I've concluded that this is not the problem with the browser, but my code):
1. ČĆŽŠĐčćžšđ
2. ČĆŽŠĐčćžšđ
2. �Ǝ���枚�
Charset on the main page that is calling this code is Windows-1250.
I don't understand why when I call Tst.js statically (by <script src="Tst.js" type="text/javascript"></scipt>) the characters are shown normal, but when I dynamically include Tst.js the characters go bannanas...
And unfortunately I can't port all my code to UTF-8.
Any advice?

2nd update: Specifying the encoding in the content-type header of the JavaScript file did the trick - for whatever reason!
Update: You are setting the character set after loading the script.
Try
<script type="text/javascript">
var pScript = document.createElement("script");
pScript.type = "text/javascript";
pScript.charset = "windows-1250";
pScript.src = "Tst.js";
$("body").append(pScript);
</script>