Simple Allow Copy Extension First, right-click, remove the restriction on web page copying, and select text to copy Read more
Source Manifest.json {"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3,\t"name": "__MSG_name__",\t"version": "2.1.3",\t"description": "__MSG_desc__", "icons": {\t\t"16": "icons/icon16.png",\t\t"32": "icons/icon32.png",\t\t"48": "icons/icon48.png",\t\t"128": "icons/icon128.png" }, "content_scripts":\t[ { "matches": ["*://*/*"], "js": ["js/copy_content.js"] }, { "matches": ["*://item.taobao.com/*"], "js": ["js/coupon_content.js"] }, { "matches": ["*://detail.tmall.com/*"], "js": ["js/coupon_content.js"] }, { "matches": ["*://item.jd.com/*"], "js": ["js/jd_coupon_content.js"] } ], "web_accessible_resources": [ { "matches": ["*://*.doc88.com/*"], "resources": ["js/copy_doc88_accessible.js"] } ], "background": { "service_worker": "js/background.js" }, "action": { "default_icon": "icons/icon128.png",\t\t"default_title": "__MSG_name__", "default_popup": "popup.html" }, "permissions": [ "contextMenus", "alarms", "proxy", "management", "scripting",\t\t"tabs",\t\t"storage" ], "host_permissions": [ "" ],\t"homepage_url": "https://www.pictureknow.com/",\t"default_locale": "en"} Read more