Passing Javascript global variable in HTML's <script> src attribute

Question

I have the following script in my HTML head element.

<script src="" id="mapScriptID" type="text/javascript"></script>
<script type="text/javascript">
    var resloc = "http://maps.google.com/maps/api/js?sensor=true&key="+key;
    var mapScript = document.getElementById('mapScriptID');
    mapScript.src = resloc;
</script>

The reason for it is that I would like the key value for the google map api to be defined in once only as I am using it in multiple places in my application. So that in the future when the key value changes I only have to change it in one place. But now for some reason the application is not seeing the google map api anymore. It's giving me 'google is not defined' message when I call google.maps.LatLng(....);

it previously used to be

 <script src="http://maps.google.com/maps/api/js?sensor=true&key=xxxxxxxxxxxxxxxxxxxxxxxx" type="text/javascript"></script>

And it worked completely fine.

Have a look to how to load js files dinamically. You should be able to use this this: stackoverflow.com/questions/950087/… — jolumg
– jolumg, Commented Jun 18, 2019 at 8:37
"It's giving me 'google is not defined' message when I call google.maps.LatLng(....);" — You don't appear to be doing that though. Provide a minimal reproducible example. — Quentin
– Quentin, Commented Jun 18, 2019 at 8:50
@Quentin sorry about that. I meant when I used the library that I tagged in the HTML — Zuzu JH
– Zuzu JH, Commented Jun 20, 2019 at 15:23

Zuzu JH · Accepted Answer · 2019-06-20 15:22:07Z

1

After trying multiple solutions. Eventually I used JQuery's $.getScript() method which worked sufficiently well in my scenario.

answered Jun 20, 2019 at 15:22

Zuzu JH

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