如何将网页代码优化改写为长尾关键词？

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用于清理页面，特别是在想要打印页面时。使用说明：按F12打开调试工具，切换到source窗口，切换到snippets选项卡，将代码复制粘贴进去**。将你要删除的元素的选项符放到deleteList中，然后点击删除。

用来清理页面，特别是想要打印页面时

/** *使用说明 *按F12打开调试工具，切换到source窗口下，切换到snippets选项卡，将代码复制进去 * 将你要删除的元素的选择符放到deleteList里面，然后运行代码片 **/ var deleteList = [".__bg_gif",".qr_code_pc","[data-id='2827']","[data-id='96874']"]; deleteList.map(deleteElement); function deleteElement(selector){ let tobeDeleteArray = document.querySelectorAll(selector); tobeDeleteArray.forEach(function(item){ item.parentElement.removeChild(item); }); tobeDeleteArray = null; } InfoQ文章详情页面清理

var deleteList = [".top-bar-promo","#topInfo",".header", ".author_general",".sh_t","#psa-note", ".article_page_right","[title='Sumo']",".related_editorial", ".related",".nocontent",".gray_section_related",".comment_here",".comments", ".all_comments","#footer",".newsletter ",".title_canvas img",".bottom-banner-content", ".noOfComments"]; deleteList.map(deleteElement); function deleteElement(selector){ let tobeDeleteArray = document.querySelectorAll(selector); tobeDeleteArray.forEach(function(item){ item.parentElement.removeChild(item); }); tobeDeleteArray = null; } //清除背景 let wrapper = document.querySelector("#wrapper"); wrapper.style.background = "none"; //居中 let text_content_container = document.querySelector(".text_content_container"); text_content_container.style.margin = "0 auto"; text_content_container.style.float = "none"; let title_canvas = document.querySelector(".title_canvas h1"); title_canvas.style.textAlign = "center";