Cannot include local copy of javascript file in Teams App Tab

Question

I’m trying to get a an HTML file to include a local javascript file but it does not seem to work in a Teams application tab. If I display the same HTML file in a web browser, it works fine.&nbsp;For example, I have defined a string variable “newString” in the file “data.js” and then attempt to pick it up in the HTML file:&nbsp;&lt;head&gt;
. . .
   &lt;script type="text/javascript" src="data.js"&gt;&lt;/script&gt;
. . .
   &lt;p id="test1"&gt;original value&lt;/p&gt;
. . . 
   &lt;script type="text/javascript"&gt; 
      document.getElementById("test1").innerHTML = "test:" + newString;
   &lt;/script&gt;
. . .&nbsp;I can see the value “test1” updated when I run it in Chrome but Teams does not seem to recognize “newString”.&nbsp;I found this link which describes how to include MicrosoftTeams.min.js as a copied local file:https://docs.microsoft.com/en-us/javascript/api/overview/msteams-client?view=msteams-client-js-latestAccording to the documentation, it should work. Does anyone know what the problem is?&nbsp;Thanks!&nbsp;

theresesolimeno · Accepted Answer

Hi&nbsp;George71&nbsp; &nbsp;You may want to open a request at our answers.microsoft.com tech support site for more personalized service.&nbsp; I did a search on javascript there and found these items already posted, but you can open a new one if you don't see anything that applies to your situation.&nbsp;&nbsp;https://answers.microsoft.com/en-us/search/search?SearchTerm=javascript%20and%20teams%20app&amp;tab=&amp;status=all&amp;advFil=&amp;IsSuggestedTerm=false&amp;isFilterExpanded=undefined&amp;CurrentScope.ForumName=msteams&amp;CurrentScope.Filter=&amp;ContentTypeScope=&amp;page=1&amp;sort=Relevance&amp;dir=Desc

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Cannot include local copy of javascript file in Teams App Tab

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