Chrome extension image problem

Hello everyone,

I am trying to make my first Chrome extension. It creates a popup window that needs to have certain images on it, which are stored in the extension folder. I have this code for putting an image in the popup window:

url = chrome.runtime.getURL("SplinterlandsExtensionLowerBarI.png");

img = '<img src="'+url+'">';

popup.document.write(img);

The image does not appear, though I get no error message. Can anyone tell me what I’m doing wrong?

If your code is correct it might be something on their side.

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OK, so if nobody here knows that much about this part of Javascript and Chrome extensions, can anyone recommend a place that could answer my question?

Hello,

And thanks. The url I get is:

chrome-extension://blbfolkanielclmaihoeanjhnimjbdlk/SplinterlandsExtensionLowerBarI.png

This is my manifest:

{
 "name": "Splinterlands Battle Advisor",
 "version": "1.0.0",
 "description": "A tool to add functionality to Splinterlands game.",
 "manifest_version": 3,
 "author": "Elaris999",
 "permissions": ["storage", "declarativeContent", "activeTab", "scripting"],
 "host_permissions": [""],
 "action":{
 "default_icon": "battle report button.png",
 "default_popup": "battle advisor.html",
 "default_title": "Splinterlands Battle Advisor"
 }
}

I do not have the full code available on GitHub or anywhere else, as I hope to maybe monetize it, and so do not want to go giving almost-working code to people who are better at this sort of programming than I am.

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