jQWidgets jqxDropDownButton popupZIndex Property

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 popupZIndex property is used to set or get the z-index of the displayed dropdown button’s popup. It is of number type and the default value is 20000.

Syntax:

It is used to set the popupZIndex property.

$("Selector").jqxDropDownButton({popupZIndex: 999999});

It is used to get the popupZIndex property.

var zIndex = $('Selector').jqxDropDownButton('popupZIndex');

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 popupZIndex property 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/jqxbuttons.js"> 
    </script> 
  </head> 
  
  <body> 
    <center> 
      <h1 style="color: green">GeeksforGeeks</h1> 
      <h3>jQWidgets jqxDropDownButton popupZIndex property</h3> 
      <br /> 
      <div> 
        <input
          type="button"
          id="jqxBtn"
          style="margin-bottom: 25px"
          value="Please click here"/> 
      </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", 
          popupZIndex: 999, 
        }); 
        $("#jqxT").jqxTree({}); 
        $("#jqxDdB").jqxDropDownButton("setContent", "Select"); 
  
        $("#jqxBtn").on("click", function () { 
          var zi = $("#jqxDdB").jqxDropDownButton("popupZIndex"); 
          $("#log").html("Z-index: " + zi); 
        }); 
      }); 
    </script> 
  </body> 
</html>