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HTML 标签的placeholder 属性 - w3school 在线教程</a></strong></h3> </div> <p><a href="https://www.w3school.com.cn/tags/att_textarea_placeholder.asp">定义和用法. placeholder 属性规定描述文本区域预期值的简短提示。该提示会在文本区域为空时显示，当字段获得焦点时消失。 HTML 4.01 与HTML 5 之间的差异.</a></p> </div> <div class="col-sm-offset-4 col-sm-4"> <p class="text-center"> <a class="btn btn-default btn-lg" href="https://www.w3school.com.cn/tags/att_textarea_placeholder.asp">確定！</a> <a class="btn btn-default btn-lg" href="/article/html%E6%8F%90%E7%A4%BA%E6%96%87%E5%AD%97/">回上一頁</a>  </p> </div> </div> <section id="main-section" class="module"> <div class="typography-section"> <div class="container"> <h2 class="title-style05 style-02">查詢 <span>「html提示文字」</span>的人也找了：</h2> <div class="row no-gutter"> <div class="col-md-4"></div> <div class="col-md-4"> <div class="wrap"> <div class="panel">    <div class="panel-body"> <ol class="list"> <a href="/article/html%E6%8F%90%E7%A4%BA%E8%A8%8A%E6%81%AF" style="font-size:20px;"><li>html提示訊息</li></a> <a href="/article/HTML+%E8%BC%B8%E5%85%A5%E6%96%87%E5%AD%97" style="font-size:20px;"><li>HTML 輸入文字</li></a> <a href="/article/HTML+%E6%96%87%E5%AD%97%E6%A1%86" style="font-size:20px;"><li>HTML 文字框</li></a> <a href="/article/html%E6%B8%B8%E6%A8%99%E6%8F%90%E7%A4%BA" style="font-size:20px;"><li>html游標提示</li></a> <a href="/article/HTML+%E8%BC%B8%E5%85%A5%E6%A1%86" style="font-size:20px;"><li>HTML 輸入框</li></a> <a href="/article/%3Cdiv+%E6%8F%90%E7%A4%BA+%E6%96%87%E5%AD%97" style="font-size:20px;"><li><div 提示文字</li></a> <a href="/article/HTML+input+%E9%A1%AF%E7%A4%BA%E6%96%87%E5%AD%97" style="font-size:20px;"><li>HTML input 顯示文字</li></a> <a href="/article/textbox%E6%8F%90%E7%A4%BA%E6%96%87%E5%AD%97c%23" style="font-size:20px;"><li>textbox提示文字c#</li></a> </ol> </div> </div> </div> </div> <div class="col-md-4"></div> </div> </div> </div> </section> </section> <footer id="footer">  <div id="parallax-section2"> <div class="bg parallax2 overlay img-overlay2"> <div class="container"> <div class="row no-gutter"> <div class="col-sm-6 col-md-4"> <h3 class="title-left title-style03 underline03">關於我們</h3> <p class="about-us"></p> <div class="site-logo"><a href="/"><img src="/NewsTheme/HTML/img/logo.png" alt="pttman" /> <h3>pttman <span>Muster</span></h3> <p>屬於你的大爆卦</p> </a></div> </div> <div class="col-sm-6 col-md-4"> <h3 class="title-left title-style03 underline03">聯終我們</h3> <div class="footer-post"> <form id="contact_form" novalidate="true"> <div class="messages"></div> <div class="controls"> <div class="row no-gutter"> <div class="col-md-6"> <div class="form-group"> <input id="form_name" type="text" name="name" class="form-control" placeholder="姓名" required="" data-error="姓名為必填"> <div class="help-block with-errors"></div> </div> </div> <div class="col-md-6"> <div class="form-group"> <input id="form_email" type="email" name="email" class="form-control" placeholder="Email" required="" data-error="Email 為必填"> <div class="help-block with-errors"></div> </div> </div> </div> <div class="row no-gutter"> <div class="form-group"> <input id="form_phone" type="tel" name="phone" class="form-control" placeholder="電話"> <div class="help-block with-errors"></div> </div> </div> <div class="row no-gutter"> <div class="form-group"> <select class="form-control" name="subject"> <option value="聯繫投稿">聯繫投稿</option> <option value="廣告聯絡">廣告聯絡</option> <option value="合作提案">合作提案</option> </select> </div> </div> <div class="row no-gutter"> <div class="form-group"> <label for="form_message">Message </label> <textarea id="form_message" name="message" class="form-control" placeholder="Message for me " rows="4" required="" data-error="Please,leave us a message.">

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