HTML maxlength 属性</b>用于指定进入 Textarea 元素的最大字符数。</p> <p><b>句法：</b> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><Textarea maxlength ="number"></code></pre> </div> <p><b>属性值：</b></p> <ul> <b>number：</b>它包含单值数字，它允许 Textarea 元素中的最大字符数。其默认值为 524288。</ul> <p><b>例子：</b> </p> <div class="hcb_wrap"> <pre class="prism line-numbers lang-html" data-lang="HTML"><code class="replace"><!DOCTYPE html> <html> <head> <title>Textarea maxlength Attribute</title> <style> } fieldset { width: 50%; margin-left: 22%; } h1 { color: green; } </style> </head> <body> <center> <h1>GeeksforGeeks</h1> <h2>Textarea maxlength Attribute</h2> <textarea form="mygeeks" maxlength="9"> Name: