jQWidgets jqxTextArea opened属性用法及代码示例

jQWidgets 是一个 JavaScript 框架，用于为 PC 和移动设备制作基于 Web 的应用程序。它是一个非常强大、经过优化、与平台无关且得到广泛支持的框架。 jqxTextArea 表示一个 jQuery Textarea 小部件，用于在文本框内插入文本内容。

opens 属性用于获取一个值，该值指示 auto-suggest 弹出窗口是否打开。它接受布尔类型值，其默认值为 false。

用法:

返回打开的属性。

var opened = $('selector').jqxTextArea('opened');

链接文件：从给定的链接下载 jQWidgets。在 HTML 文件中，找到下载文件夹中的脚本文件。

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”.jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxtextarea.js”></script>

例：下面的示例说明了 jQWidgets jqxTextArea 的打开属性。

HTML


<!DOCTYPE html>
<html lang="en">
  
<head>
    <link rel="stylesheet" href=
"jqwidgets/styles/jqx.base.css" type="text/css" />
    <script type="text/javascript" 
            src="scripts/jquery-1.11.1.min.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqx-all.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcolorpicker.js">
    </script>
    <script type="text/javascript" 
            src=".jqwidgets/jqxbuttons.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxscrollbar.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxlistbox.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcombobox.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
  
        <h3>
            jQWidgets jqxTextArea opened Property
        </h3>
  
        <textarea id='jqxTA'></textarea>
        <br>
        <input type="button" id='jqxBtn' 
            style="padding:5px 20px; margin-top:160px;" 
            value="Check popup opened or not" />
    </center>
  
    <script type="text/javascript">
        $(document).ready(function() {
            var data = [
                "Computer Science",
                "C Programming",
                "C++ Programming",
                "Java Programming",
                "Python Programming",
                "HTML",
                "CSS",
                "JavaScript",
                "jQuery",
                "PHP",
                "Bootstrap"
            ];
  
            $('#jqxTA').jqxTextArea({
                source:data,
                width:250,
                height:100,
                placeHolder:'Enter Subjects...'
            })
  
            $('#jqxBtn').on('click', function () {
                var opened = $('#jqxTA').jqxTextArea('opened');
      
                if (opened) {
                    alert('Popup opened');
                } else {
                    alert('Popup not opened');
                }
            });
        });
    </script>
</body>
  
</html>

输出：

参考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxtextarea/jquery-textarea-api.htm

相关用法

注：本文由纯净天空筛选整理自AshokJaiswal大神的英文原创作品 jQWidgets jqxTextArea opened Property。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。