Open In App

jQWidgets jqxNumberInput allowNull Property

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Share
Report issue
Report

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 jqxNumberInput represents a jQuery widget that is used to add input currency, percentages, and any type of numeric data. The input data can be presented in various ways. The other capabilities of this widget are to customize the number of digits and decimal digits, currency symbol’s string and position, group and decimal separator character.

The allowNull property is used to set or return whether the jqxNumberInput widget value could be null. It accepts Boolean type value and its default value is true.

Syntax:

Set the allowNull property.

$('selector').jqxNumberInput({ allowNull: Boolean });

Return the allowNull property.

var allowNull = $('selector').jqxNumberInput('allowNull');

Linked Files: Download jQWidgets from the given link https://www.jqwidgets.com/download/. 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/jqxnumberinput.js”></script>

The below example illustrates the jQWidgets jqxNumberInput allowNull property.

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/jqxnumberinput.js"></script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
  
        <h3>
            jQWidgets jqxNumberInput allowNull Property
        </h3>
  
        <div id='jqxNumberInput'></div>
    </center>
  
    <script type="text/javascript">
        $(document).ready(function() {
            $("#jqxNumberInput").jqxNumberInput({
                width: '250px',
                height: '35px',
                allowNull: true
            });
        });
    </script>
</body>
  
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxnumberinput/jquery-number-input-api.htm



Last Updated : 24 Sep, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads