javascript - テキストの追加 via jquery than into HTML</h1> <div id="body"><p>I've been trying to get this idea I had together for a simple project i'm working on.</p> <p>The result I would like is to have a button that when clicked ad</a></h1> </div> <div class="d-flex fw-wrap pb8 mb16 bb bc-black-075" style="font-size:14px;margin-top:10px;"> <div class="flex--item ws-nowrap mr16 mb8" title="2022-04-17 15:46:40Z" > <span class="fc-light mr2">翻译自：<a href="https://stackoverflow.com/questions/19264291" style="margin-right:20px;text-decoration:underline;" rel="nofollow">https://stackoverflow.com/questions/19264291</a></span> <time itemprop="dateCreated" datetime="2013-10-09T06:01:52.660">2013-10-09T06:01:52.660</time> </div> <div class="flex--item ws-nowrap mb8" title="Viewed 6 times"> <span class="fc-light mr2"></span> 1519 次 </div> </div> <div id="mainbar" role="main" aria-label="question and answers"> <div class="question" data-questionid="4" data-position-on-page="0" data-score="763" 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