Examine source code of adview

{
  "manifest_version": 2,
  "name": "adview",
  "version": "1.6",
  "author": "wmm",
  "permissions": [
    "*://discover.adxsales.com/adview"
  ],
  "description": "*://discover.adxsales.com/adview auto click continue!,1.6版本支持新网站网址！",
  "icons": {
    "48": "icons/adview_icon_48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://discover.adxsales.com/adview"
      ],
      "js": [
        "js/jquery-3.3.1.min.js",
        "js/adview.js"
      ]
    }
  ]
}