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jQWidgets jqxDropDownButton isOpened() Method

  • Last Updated : 29 Sep, 2021

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxDropDownButton is used to illustrate a jQuery widget that contains a number of selectable as well as expandable items displayed in the dropdown button.

The isOpened() method is used to check if the displayed dropdown button is opened or not. In case, it’s opened then this method returns true else it returns false. It has no parameter. It returns Boolean.

Syntax:

var opened = $("Selector").jqxDropDownButton('isOpened' ); 

Linked Files: Download jQWidgets from the link. In the HTML file, locate the script files in the downloaded folder.

<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>

Example: The below example illustrates the jqxDropDownButton isOpened() method in jQWidgets.

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/jqxcore.js"></script>
     <script type="text/javascript" 
        src="jqwidgets/jqx-all.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxbuttons.js"></script>
  </head>
  
  <body>
    <center>
      <h1 style="color: green">GeeksforGeeks</h1>
      <h3>jQWidgets jqxDropDownButton isOpened() method</h3>
      <br />
      <div id="log"></div>
      <div style="float: center" id="jqxDdB">
        <div id="jqxT">
          <ul>
            <li>GFG</li>
            <li>
              Languages
              <ul>
                <li>C</li>
                <li>Java</li>
              </ul>
            </li>
            <li>
              Subjects
              <ul>
                <li>Data Structutre</li>
                <li>Algorithm</li>
              </ul>
            </li>
          </ul>
        </div>
      </div>
    </center>
  
    <script type="text/javascript">
      $(document).ready(function () {
        $("#jqxDdB").jqxDropDownButton({
          height: "25px",
          width: "70px",
        });
  
        $("#jqxT").jqxTree({});
        $("#jqxDdB").jqxDropDownButton("setContent", "Select");
  
        $("#jqxDdB").on("open", function () {
          var io = $("#jqxDdB").jqxDropDownButton("isOpened");
          $("#log").text("Button opened: " + io);
        });
      });
    </script>
  </body>
</html>

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxbutton/jquery-button-api.htm?search=


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