HTML dirname 属性</b>用于在提交表单后启用 input 和 Textarea Field 的文本方向。 dirname 属性的值必须是输入字段和文本区域的名称，后跟“.dir”。</p> <p><strong>句法：</strong> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><textarea name="myname" dirname="myname.dir"></code></pre> </div> <p><strong>属性值：</strong><br/> <strong>name.dir：</strong>指定提交的textarea的文本方向。</p> <p><strong>例子：</strong> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><!DOCTYPE html> <html> <head> <style> h1 { color: green; } </style> </head> <body> <form action="#"> <h1> GeeksforGeeks </h1> <h2> HTML Textarea dirname attribute </h2> <textarea name="fname" dirname="fname.dir"> It is a Computer Science Portal for Geeks. After the Submission of the form, the text direction of the Textarea field will also be submitted.