删除CSDN点击“阅读更多”按钮跳转到登录界面的功能

manifest.json

{
	"manifest_version": 2,
	"name": "Helper2",
	"version": "1.0",
	"description": "Helper2",

    "content_scripts": [
		{
            "matches": ["https://blog.csdn.net/*"],
            "run_at": "document_start",
			"js": ["content.js"]
		}
	]
}

content.js

 document.addEventListener("DOMContentLoaded", fireContentLoadedEvent, false);

 function fireContentLoadedEvent() {
     var habElement = document.getElementsByClassName("hide-article-box text-center")[0];

     habElement.parentNode.removeChild(habElement);

     document.getElementById("article_content").removeAttribute("style");
 }

Link:https://addons.mozilla.org/zh-CN/firefox/addon/remove-readmore/