jQWidgets jqxTextArea打开属性

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。它是一个非常强大的，优化的，与平台无关的，并被广泛支持的框架。jqxTextArea代表一个jQuery Textarea widget，用于在文本框内插入文本内容。

opened属性用于获取一个值，表明自动建议弹出窗口是否被打开。它接受布尔类型的值，其默认值是false。

语法:

返回打开的属性。

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

链接的文件：从给出的链接中下载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>
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />

例子：下面的例子说明了jQWidgets jqxTextArea opened属性。

<!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:

jQWidgets jqxTextArea打开属性