jQuery Mobile - 文本输入占位符
描述
占位符指定描述预期值的简短提示。 在 input 元素中添加 attribute placeholder = " " 来写占位符。
示例
以下示例演示了在 jQuery Mobile 中使用占位符输入。
<!DOCTYPE html>
<html>
<head>
<meta name = "viewport" content = "width = device-width, initial-scale = 1">
<link rel = "stylesheet" href = "https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css">
<script src = "https://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src = "https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js"></script>
</head>
<body>
<form>
<h2>Placeholder Input Type Example</h2>
<label for = "src">Text Placeholder Input</label>
<input type = "text" id = "src" placeholder = "Enter Something">
<label for = "src1">Clear the Text Placeholder Field</label>
<input type = "text" data-clear-btn = "true" id = "src1" placeholder = "Enter Something">
<label for = "src2">Search Placeholder Input</label>
<input type = "search" id = "src2" placeholder = "Search">
<label for = "src3"> Textarea Placeholder Field</label>
<textarea type = "textarea" id = "src3" placeholder = "Enter your message"></textarea>
</form>
</body>
</html>
输出
让我们执行以下步骤，看看上面的代码是如何工作的 −
将上述 html 代码保存为服务器根文件夹中的 textinput_placeholder.html 文件。
将此 HTML 文件打开为 http://localhost/textinput_placeholder.html，将显示以下输出。
