Javascript处理HTML元素的换行问题</a></h1> </div> </header> <main class="content" role="main"> <div class="leftbox"> <article class="post tag-uifont tag-webview"> <header class="post-header"> <footer class="tc"> wsoft <time class="post-date" datetime="2021-11-23">2021-11-23</time> </footer> </header> <section class="post-content"> <div class="contentbef"> </div> <!--done--> <div id="topics"> <div class="post"> <div class="postBody"> <div id="likecs_post_body" class="blogpost-body blogpost-body-html"> <p>概述：</p> <p>在开发中，在<textarea>元素中输入多行信息，但在网页显示的时候就不会多行显示，所以需要替换<textarea>元素中的换行符为“<br />”。</p> <p>在Trident内核，webkeit内核中，<textarea>元素的换行符是 \r\n ；在gecko（火狐）内核中是 \n 所以要兼容。</p> <p><img src="/default/index/img?u=aHR0cHM6Ly9waWMwMDIuY25ibG9ncy5jb20vaW1hZ2VzLzIwMTIvMjcyNTYxLzIwMTIxMTIyMTIwMTAyNDYuanBn" alt=""></p> <p>在表单的onsumit事件中调用Check.replaceTextarea(\'textareaid\');</p> <p> </p> </div> </div> </div> </div> <!--end: topics 文章、评论容器--> <div style="margin-top: 10px;"> </div> </section> <footer 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