HTML minlength 属性</strong>用于定义 Textarea 元素的最小字符数（作为 UTF-16 代码单元）。整数值必须以 0 或更高的值开头。<br/><strong>句法：</strong> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><Textarea minlength="numeric"> </code></pre> </div> <p><strong>属性值：</strong></p> <ul> <li> <strong>number：</strong>它包含数字值，即 0 或更高。</li> </ul> <p><strong>例子：</strong></p> <div> <h5 class="code">html</h5> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><!DOCTYPE html> <html> <body> <center> <h1 style="color:green;"> GeeksforGeeks </h1> <h2> Textarea minlength attribute </h2> <textarea rows="4" cols="50" minlength="6"> write here something that you want...