how do I get geoLocation on a Mac?

[kee nethery via use-livecode]

How do I get latitude & longitude within a macOS LiveCode script?

———     

I know iOS has a way to tell you latitude & longitude. It appears that 
capability is not available on macOS.

I know that macOS browsers, with WiFi on and connected, can determine lat/long 
with a javascript command. At this URL:
        https://www.w3schools.com/html/html5_geolocation.asp
I found this example:

<script>
var x = document.getElementById("demo");
function getLocation() {
  if (navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(showPosition);
  } else {
    x.innerHTML = "Geolocation is not supported by this browser.";
  }
}

function showPosition(position) {
  x.innerHTML = "Latitude: " + position.coords.latitude + 
  "<br>Longitude: " + position.coords.longitude; 
}
</script>


I know that macOS can: 
        do <script>  as “javascript”
where <script> is the actual script shown above, not “<script>"

“javascript” is in alternateLanguages() will return true on macOS

Any ideas why the result is "compiler error”? 

I am not a javascript person so perhaps I’m screwing up the javascript or not 
initializing something correctly. And more importantly, how do I get the 
geolocation of a mac that is on WiFi?

Thanks,
Kee
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