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jQWidgets jqxDropDownButton focus() Method

  • Last Updated : 04 Oct, 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 focus() method is used to focus the displayed dropdown button. It has no parameter and does not return anything.

Syntax:

$('Selector').jqxDropDownButton('focus');

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/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>

The below example illustrates the jqxDropDownButton focus() method in jQWidgets.

Example:

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/jqxbuttons.js">
    </script>
  </head>
  
  <body>
    <center>
      <h1 style="color: green">GeeksforGeeks</h1>
      <h3>jQWidgets jqxDropDownButton focus() method</h3>
      <br />
      <div>
        <input
          type="button"
          id="jqxBtn"
          style="margin-bottom: 25px"
          value="Focus dropdown button"
        />
      </div>
      <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 () {
        $("#jqxBtn").jqxButton({
          width: "200px",
          height: "40px",
        });
  
        $("#jqxDdB").jqxDropDownButton({
          height: "25px",
          width: "70px",
        });
        $("#jqxT").jqxTree({});
        $("#jqxDdB").jqxDropDownButton(
          "setContent", "Select"
        );
  
        $("#jqxBtn").on("click", function () {
          $("#jqxDdB").jqxDropDownButton("focus");
          $("#log").html("Button focussed");
        });
      });
    </script>
  </body>
</html>

Output:

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


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