jQuery UI Selectmenu open() Method

Last Updated : 24 May, 2022

jQuery UI consists of GUI widgets, visual effects, and themes implemented using HTML, CSS, and jQuery. jQuery UI is great for building UI interfaces for the webpages. The jQuery UI selectmenu widget can provide us with select options. We can use this widget to make a form for different actions.

The jQuery UI Selectmenu open() method is used to open the enabled select menu list. This method is called when we click on the button.

Syntax:

$(".selector").selectmenu( "open" );

Parameters: This method does not accept any parameter.

CDN Link: First, add jQuery UI scripts needed for your project.

<link rel=”stylesheet” href=”//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css”>
<script src=”//code.jquery.com/jquery-1.12.4.js”></script>
<script src=”//code.jquery.com/ui/1.12.1/jquery-ui.js”></script>

Example: This example describes the uses of the jQuery UI Selectmenu open() method.

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="utf-8"> 
    <title> jQuery UI Selectmenu open() Method </title> 
    <link rel="stylesheet" href= 
"//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css"> 
    <script src= 
"//code.jquery.com/jquery-1.12.4.js"> 
    </script> 
    <script src= 
"//code.jquery.com/ui/1.12.1/jquery-ui.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h3>jQuery UI Selectmenu open() Method</h3> 
  
        <input type="button" id="btn" 
               value="Open the Widget" 
               style="padding:5px 15px;"> 
  
        <br><br> 
        <label for="sub">Select Computer Subject:</label> 
   
        <select name="sub" id="sub"> 
            <option value="html">HTML</option> 
            <option value="css">CSS</option> 
            <option value="js">JavaScript</option> 
            <option value="java">Java</option> 
            <option value="python">Python</option> 
        </select> 
    </center> 
  
    <script> 
        $(document).ready(function () { 
            $("#sub").selectmenu(); 
  
            $("#btn").on('click', function() { 
                $("#sub").selectmenu("open"); 
            }); 
        }); 
    </script> 
</body> 
</html>