How can I pass a variable from an HTML script file to a javascript function in google apps script?

Question

I would like to get the users ip, and then load it onto the properties service. But, the html file script uses javascript, not google apps script, so

<script type="text/javascript" src="https://l2.io/ip.js?var=userip"></script>

<script type="text/javascript">
   PropertiesService.getScriptProperties().setProperty(String(userip), "1")
</script>

doesn't work. How can I make it work? Would be appreciated. Edit: context below

<!DOCTYPE html>
<html>
  <head>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css" />
    <base target="_top">

  </head>
  <body>
    `_insert webpage here_`
    <script type="text/javascript" src="https://l2.io/ip.js?var=userip"></script>
    <script type="text/javascript">
      PropertiesService.getScriptProperties().setProperty(String(userip), "1")
    </script>
  </body>
</html>

Where do you want to retrieve the IP address of the user who accessed? Where will you put <script type="text/javascript" src="https://l2.io/ip.js?var=userip"></script>? If you provide the situation of when user's ip address is retrieved, more users may be able to think of the solution of your problem. — Tanaike
– Tanaike, Commented Dec 19, 2017 at 0:20
You will find details on how to pass the data back to the server side in this documentation. Hope that helps. — Jack Brown
– Jack Brown, Commented Dec 19, 2017 at 20:02

LJHarb · Accepted Answer · 2017-12-18 21:24:49Z

1

Depending on your backend language, you can insert the value dynamically - if, say, it's PHP, you could do <%= $userIP %> in the middle of that inline JS code.

However, best practices would dictate that a) your JS code all lives in a .js file, and b) there's only three ways to properly get data from the server to the client:

AJAX request from JS.
HTML data-* attributes on some arbitrary element(s), read them in JS.
<script type="application/json"></script>, read and parse it from JS, however this option requires special escaping of in the json body

answered Dec 18, 2017 at 21:24

LJHarb

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2 Comments

Anonymous Anonymous Over a year ago

Ah maybe I wasn't clear enough. I'm using google apps script, which is why I tagged it with google-apps-script. Right now I'm thinking of passing the variable userid from this to my code.js file, but I have no idea how to do so.

LJHarb Over a year ago

ah, in that case i'm not sure :-/

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