HTML学习笔记(三)


表单的应用

只读模式

<p>
    name: <input type="text" name="username" value="admin" readonly>
</p>

隐藏域

<p>password:<input type="password" name="password" hidden></p>

增强鼠标可用性

<p>
    <label for="mark">你点我试试</label>
    <input type="text" id="mark">
</p>

表单初级验证

<p>name:    <input type="text" name="username" placeholder="请输入用户名" required></p>

required: 非空判断

pattern:正则表达式判断


Author: Xi Chen
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