如何在HTML textarea中添加换行符

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30 浏览2023年6月28日

匿名的 2023年6月29日

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我正在使用JavaScript编辑一个</code>。问题是，当我在其中插入换行符时，它们不会显示出来。我该如何做才能实现换行呢？我正在获取值来编写一个函数，但它不会换行。</p> </div> <div class="scisco-sq-comments"> <apcomments id="comments-457504" class="have-comments"></apcomments> </div> </div> <div class="scisco-sq-vote"><div id="vote_457504" class="ap-vote net-vote" ap-vote="{"post_id":457504,"active":"","net":0,"__nonce":"febc498774"}"><a class="apicon-thumb-up ap-tip vote-up" href="#" title="投票支持这个帖子" ap="vote_up"></a><span class="net-vote-count" data-view="ap-net-vote" itemprop="upvoteCount" ap="votes_net">0</span><a data-tipposition="bottom center" class="apicon-thumb-down ap-tip vote-down" href="#" title="对此文章投反对票" ap="vote_down"></a></div></div> </div> </div>  </div> <apanswersw style="display:none"> <div id="ap-answers-c"> <div class="ap-sorting-tab clearfix"> <h3 class="ap-answers-label ap-pull-left" ap="answers_count_t"> <span itemprop="answerCount">0</span> 答案 </h3> <ul id="answers-order" class="ap-answers-tab ap-ul-inline clearfix"><li class="active"><a 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