Here's a basic test.  Create the two following files and bower install 
polymer 0.1.4.

index.html:
<html>
    <head>
        <title>HTML Imports Test</title>
        <script src="bower_components/platform/platform.js"></script>
        <link rel="import" href="bower_components/polymer/polymer.html">
        <link rel="import" href="my-import.html">
    </head>
    <body>
        HTML Import Test<br/><br/>
        These values are captured in the imported script and then displayed 
here in the parent doc.<br/><br/>
        <code>
            <div><strong>document.currentScript = </strong><span id=
"noPrefix"></span></div>
            <div><strong>document._currentScript = </strong><span id=
"prefixed"></span></div>
            <div><strong>HTMLImports.currentScript = </strong><span id=
"htmlImports"></span></div>
        </code>
    </body>    
</html>


my-import.html
<script type="text/javascript">
    var parentDoc = document;
    
    // Display current script values on parent page
    parentDoc.getElementById("noPrefix").innerHTML = "" + document.
currentScript;
    parentDoc.getElementById("prefixed").innerHTML = "" + document.
_currentScript
    parentDoc.getElementById("htmlImports").innerHTML = "" + HTMLImports.
currentScript
</script>




On Tuesday, January 28, 2014 12:20:24 PM UTC-6, Steve Orvell wrote:
>
> The HTMLImports polyfill should ensure that "document._currentScript" is 
> universally available (of course document.currentScript is correct but it's 
> not possible to correctly polyfill so we opt for _currentScript).
>
> I can't seem to reproduce this issue. A test case would be extremely 
> helpful, thanks.
>
>
> On Tue, Jan 28, 2014 at 8:09 AM, <[email protected] <javascript:>> wrote:
>
>> The API docs for HTMLImports says
>>
>> In a native HTML Imports, document.currentScript.ownerDocumentreferences the 
>> import document itself. In the polyfill use 
>>> document._currentScript.ownerDocument (note the underscore).
>>
>>
>> Given the changes to HTMLImports in this release, is this still suppose 
>> to work in 0.1.4?  
>>
>> After upgrading to 0.1.4, inside a script tag in my import file 
>> document.currentScript is null while document._currentScript is undefined. 
>>  
>>
>> Changing my code to get the doc from HTMLImports.currentScript fixed 
>> everything for me.  
>>
>>  Follow Polymer on Google+: plus.google.com/107187849809354688692
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