[译] 自动增长 textarea 的最干净技巧

想法是使更像 <div>，因此它的高度可以扩展以包含当前值。这几乎是奇怪的，没有一个简单的原生解决方案，不是吗？现在我得到了一个非常好的原生解决方案。这里是...</p> <p><a href="https://www.codercto.com/api/link?target=https%3A%2F%2Fmp.weixin.qq.com%2Fs%2FOSp52IdkvCzfrka4rFPpAA" target="_blank" rel="nofollow"><button type="button" class="btn btn-info">查看完整内容</button></a></p> <blockquote><p>本站部分资源来源于网络，本站转载出于传递更多信息之目的，版权归原作者或者来源机构所有，如转载稿涉及版权问题，请<a href="https://www.codercto.com/contact.html" rel="nofollow" target="_blank">联系我们</a>。</p></blockquote> </div> </div> <div class="panel panel-default panel-card book"> <div class="panel-heading"><span class="glyphicon glyphicon-book" aria-hidden="true"></span> <a href="https://www.codercto.com/books.html">码农书籍</a></div> <div class="panel-body"> <div class="media"> <div class="pic"><a target="_blank" href="https://www.codercto.com/books/d/677.html"><img height="140" class="media-object" src="https://img1.3s78.com/codercto/add866b4284156b7db89cc79606c8538" alt="操作系统"></a></div> <div> <a target="_blank" href="https://www.codercto.com/books/d/677.html"><h4 class="media-heading">操作系统</h4></a> <p>[美] William Stallings / 陈向群、陈渝 / 电子工业出版社 / 2012-9 / 75.00元</p> <p>《国外计算机科学教材系列•操作系统:精髓与设计原理(第7版)》是一本关于操作系统的概念、结构和机制的教材，其目的是尽可能清楚和全面地展示现代操作系统的本质和特点；同时，《国外计算机科学教材系列•操作系统:精髓与设计原理(第7版)》也是讲解操作系统的经典教材，不仅系统地讲述了操作系统的基本概念、原理和方法，而且以当代最流行的操作系统——Windows 7、UNIX和Linux为例，全面清楚地展现了当......一起来看看 <a href="https://www.codercto.com/books/d/677.html">《操作系统》</a> 这本书的介绍吧!</p> </div> </div> </div> </div> <div class="panel panel-default panel-card tool"> <div class="panel-heading"><span class="glyphicon glyphicon-wrench" aria-hidden="true"></span> <a href="https://www.codercto.com/tool.html">码农工具</a></div> <div class="panel-body"> <div class="media"> <div class="col-md-4"> <div class="media-left"> <a target="_blank" href="https://www.codercto.com/tool/rgb_to_16hex.html"><img height="48" class="media-object" src="https://img1.3s78.com/codercto/9ebb4569349037985b352bf1ee5cbbdd" alt="RGB转16进制工具"></a> </div> <div class="media-body"> <a target="_blank" href="https://www.codercto.com/tool/rgb_to_16hex.html"><h4 class="media-heading">RGB转16进制工具</h4></a> <p>RGB HEX 互转工具</p> </div> </div> <div class="col-md-4"> <div class="media-left"> <a target="_blank" href="https://www.codercto.com/tool/rgb_hsv.html"><img height="48" class="media-object" src="https://img1.3s78.com/codercto/b5137f3cfa1ed0e54984d3f9697f8967" alt="RGB HSV 转换"></a> </div> <div class="media-body"> <a target="_blank" href="https://www.codercto.com/tool/rgb_hsv.html"><h4 class="media-heading">RGB HSV 转换</h4></a> <p>RGB HSV 互转工具</p> </div> </div> <div class="col-md-4"> <div class="media-left"> <a target="_blank" href="https://www.codercto.com/tool/hex_cmyk.html"><img height="48" class="media-object" src="https://img1.3s78.com/codercto/8b7e88f15aaf4d889726fa097598b4a1" alt="HEX CMYK 转换工具"></a> </div> <div class="media-body"> <a target="_blank" href="https://www.codercto.com/tool/hex_cmyk.html"><h4 class="media-heading">HEX CMYK 转换工具</h4></a> <p>HEX CMYK 互转工具</p> </div> </div> </div> </div> </div> </div> <div class="col-md-3 sidebar"> <div class="panel panel-default mb10"> <div class="panel-body coder_help" style="padding: 10px 0;text-align: center;"> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle" style="display:inline-block;width:250px;height:250px" data-ad-client="ca-pub-5598567030231501" data-ad-slot="6435657477"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> </div> </div> <div class="image-list mb10"> </div> <div class="panel panel-default mb10"> <div class="panel-heading"><span>码农 Tips</span></div> <div class="panel-body tips" style="padding: 5px 10px;"><pre><code>writeln('Hello, world!'); </code></pre> </div> </div> <style> .tips pre{border:none;border-radius:0;background-color:#fff;} </style> </div> </div> </div> <script src="//www.codercto.com/static/common/editor-md/editormd.min.js"></script> <script src="//www.codercto.com/static/common/editor-md/lib/marked.min.js"></script> <script src="//www.codercto.com/static/common/editor-md/lib/prettify.min.js"></script> <script> $(function () { function reviewMarkdow(idNmae) { editormd.markdownToHTML(idNmae, { htmlDecode: "style,script,iframe", emoji: true, taskList: true, tex: true, flowChart: false, sequenceDiagram: false, codeFold: true, }) } reviewMarkdow('markdown-body') }) </script> <script> var contentType = 1; var contentId = '120744'; var updatePvUrl = 'https://www.codercto.com/articles/updatePv'; updatePv(updatePvUrl,contentId) </script> <script src="//www.codercto.com/static/common/js/copyright.js"></script> <style> .main-footer .tag-cloud a{border:1px solid #ebebeb;padding:2px 7px;color:#959595;line-height:1.5em;display:inline-block;margin:0 7px 7px 0;-webkit-transition:all 0.2s ease;-o-transition:all 0.2s ease;transition:all 0.2s ease} .main-footer .tag-cloud a:hover{color:#ffffff;background:#379be9;border:1px solid #379be9;text-decoration:none} .main-footer .widget .recent-post .recent-single-post{border-bottom:1px dashed #ebebeb;padding-bottom:5px;margin-bottom:10px}.main-footer .widget .recent-post .recent-single-post:last-child{margin-bottom:0}.main-footer .widget .recent-post .recent-single-post .post-title{color:#505050;-webkit-transition:all .2s ease;-o-transition:all .2s ease;transition:all .2s ease}.main-footer .widget .recent-post .recent-single-post .post-title:hover{color:#379be9;text-decoration:none}.main-footer .widget .recent-post .recent-single-post .date{color:#959595}.main-footer .widget .recent-post .recent-single-post{border-bottom:1px dashed #303030}.main-footer .widget .recent-post .recent-single-post .post-title{color:#959595}.main-footer .widget .recent-post .recent-single-post .post-title:hover{color:#379be9}.main-footer .widget .recent-post .recent-single-post .date{color:#505050} .main-footer .widget{padding:0px 10px}.widget{margin-bottom:35px}.widget .title{margin-top:0;padding-bottom:7px;border-bottom:1px solid #ebebeb;margin-bottom:21px;position:relative}.widget .title:after{content:"";width:90px;height:1px;background:#379be9;position:absolute;left:0;bottom:-1px}.main-footer{background:#202020;padding:35px 0 0;color:#959595}.main-footer .widget .title{color:#ffffff;border-bottom:1px solid #303030}.main-footer .widget .tag-cloud a{border:1px solid #303030}.main-footer .widget .tag-cloud a:hover{border:1px solid #379be9}.main-footer .widget .friend-links a{border:none}.main-footer .widget .friend-links a:hover{border:none}.main-footer .widget .friend-links hr{margin:1em 0;border-top:1px dashed #303030}.main-footer .widget .recent-post .recent-single-post{border-bottom:1px dashed #303030}.main-footer .widget .recent-post .recent-single-post .post-title{color:#959595}.main-footer .widget .recent-post .recent-single-post .post-title:hover{color:#379be9}.main-footer .widget .recent-post .recent-single-post .date{color:#505050}.copyright{background:#111;font-size:13px;text-align:center;color:#555555;padding-top:28px;padding-bottom:28px;border-top:1px solid #303030}.copyright span{margin:0 .5em}.copyright a{color:#555555} .main-footer .recent-single-post{overflow: hidden;text-overflow: ellipsis;white-space: nowrap;} #roll{bottom:70px;float:right;position:fixed;right:50px;width:32px;z-index:9999} #roll_top,#roll_bottom{position:relative;cursor:pointer;height:32px;width:32px;border-radius:4px} #roll_top{background:url("//www.codercto.com/static/v3/images/rolls.png") no-repeat} #roll_top:hover{background:url("//www.codercto.com/static/v3/images/rolls.png") no-repeat -32px 0} #roll_bottom{background:url("//www.codercto.com/static/v3/images/rolls.png") no-repeat 0 -64px;margin-top:6px} #roll_bottom:hover{background:url("//www.codercto.com/static/v3/images/rolls.png") no-repeat -32px -64px} footer{margin-top:50px;margin-bottom: 0;} </style> <footer class="main-footer"> <div class="container"> <div class="row"> <div class="col-sm-4"> <div class="widget"> <h4 class="title">码农网最新文章</h4> <div class="content recent-post"> <div class="recent-single-post"><a href="https://www.codercto.com/a/131452.html" class="post-title">Python 3.14 RC3 发布</a></div><div class="recent-single-post"><a href="https://www.codercto.com/a/131451.html" class="post-title">Spring AI 1.0.2 现已发布</a></div><div class="recent-single-post"><a href="https://www.codercto.com/a/131450.html" class="post-title">OpenSSL 3.5.3 发布</a></div><div class="recent-single-post"><a href="https://www.codercto.com/a/131449.html" class="post-title">苹果：开发者计划所有会员到本月底必须启用两步认证</a></div><div class="recent-single-post"><a href="https://www.codercto.com/a/131448.html" class="post-title">NG-ZORRO-MOBILE 0.11.0 发布，antd 移动规范的 Angular 实现</a></div> </div> </div> </div> <div class="col-sm-4"> <div class="widget"> <h4 class="title">码农网最新帖子</h4> <div class="content recent-post"> <div class="recent-single-post"><a href="https://www.codercto.com/topics/52562.html" class="post-title">2026年7月29日程序员老黄历，宜:抽烟,重构</a></div><div class="recent-single-post"><a href="https://www.codercto.com/topics/52561.html" class="post-title">2026年7月28日程序员老黄历，宜:白天上线,招人,撸管</a></div><div class="recent-single-post"><a href="https://www.codercto.com/topics/52560.html" class="post-title">2026年7月27日程序员老黄历，宜:白天上线,重构,在妹子面前吹牛</a></div><div class="recent-single-post"><a href="https://www.codercto.com/topics/52559.html" class="post-title">2026年7月26日程序员老黄历，宜:拒绝996</a></div><div class="recent-single-post"><a href="https://www.codercto.com/topics/52558.html" class="post-title">2026年7月25日程序员老黄历，宜:拒绝996</a></div> </div> </div> </div> <div class="col-sm-4"> <div class="widget"> <h4 class="title">码农网关键词</h4> <div class="content tag-cloud friend-links"> <a href="//www.codercto.com">码农网</a> <a href="//www.codercto.com">码农</a> <a href="//www.codercto.com">程序员</a> <a href="//www.codercto.com">码农教程</a> <a href="//www.codercto.com">码农社区</a> <a href="//www.codercto.com">码农工具</a> <a href="//www.codercto.com">码农日报</a> <a href="//www.codercto.com">码农头条</a> <a href="//www.codercto.com">码农网论坛</a> <a href="//www.codercto.com">码农网源码</a> <a href="//www.codercto.com">码农网官网</a> </div> </div> </div> </div> </div> </footer> <div class="copyright"> <div class="container"> <div class="row"> <div class="col-sm-12"> <span>版权所有，保留一切权利！© 2018-2026 <a href="//www.codercto.com">码农网</a></span> <a href="https://beian.miit.gov.cn/#/Integrated/index" rel="nofollow" target="_blank">粤ICP备17054400号-3</a> </div> </div> </div> </div> <div id="roll" class="hidden-xs"> <div title="回到顶部" id="roll_top"></div> <div title="转到底部" id="roll_bottom"></div> </div> <script src="//www.codercto.com/static/v3/bootstrap-3.3.7/js/bootstrap.min.js"></script> <script src="//www.codercto.com/static/common/highlight.js/9.15.9/highlight.min.js"></script> <script> $(function () { hljs.initHighlightingOnLoad(); $(function () { $('[data-toggle="tooltip"]').tooltip() }) $('#roll_top').click(function() { $('body,html').animate({ scrollTop: '0px' }, 900); }); $("#roll_bottom").click(function() { $('body,html').animate({ scrollTop:$("footer").offset().top },800); }); }) </script>  <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script>   <script> var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?552b747d172e1541cf0f7e748f6c4d59"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> </body> </html>