Copy paste value

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Copy paste value",
  "description": "Copy and paste to the value property of the target element",
  "version": "0.0.4",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "match_origin_as_fallback": true,
      "js": [
        "content_scripts.js"
      ]
    }
  ],
  "permissions": [
    "contextMenus",
    "offscreen",
    "clipboardWrite",
    "clipboardRead"
  ],
  "manifest_version": 3
}