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jQWidgets jqxValidator validateInput() Method

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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 jqxValidator is used for validation of the HTML form with the help of JavaScript. It has some set of build-in rules according to the requirement for the validation of the user inputs, e-mail, SSN, ZIP, max value, min value, interval, etc. The custom rules can also be written as per the specific requirements.

The validateInput() method is used for validating a single specific input of the specified jqxValidator.

Syntax:

$('#jqxValidator').jqxValidator('validateInput', 'Input');

Parameters: This method accepts a parameter that is illustrated below.

  • Input: This is the specific input for which validation is being performed.

Return values: This method does not return any values.

Linked Files: Download jQWidgets from the given 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.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxvalidator.js”></script>

Example: The below example illustrates the jQWidgets validateInput() method. In the below example, only the ‘Designation’ input has been validated.

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.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/jqxvalidator.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxValidator validateInput() Method
        </h3>
        <form id="Employee_Form">
            <table>
                <tr>
                    <td>Employee_Name:</td>
                    <td>
                        <input type="text" id="Employee_Name"/>
                    </td>
                </tr>
                <tr>
                    <td>Employee_Id:</td>
                    <td>
                        <input type="text" id="Employee_Id"/>
                    </td>
                </tr>
                <tr>
                    <td>Designation:</td>
                    <td>
                        <input type="text" id="Designation"/>
                    </td>
                </tr>
                <tr>
                    <td>Base_Location:</td>
                    <td>
                        <input type="text" id="Base_Location"/>
                    </td>
                </tr>
            </table>
        </form>
        <input type="button" style="margin:28px;" 
               id="button_for_validateInput"
               value="Validate the 'Designation' Input"/>
        
        <script type="text/javascript">
            
            $(document).ready(function () {
                $('#Employee_Form').jqxValidator({
                    Rules: [
                        {
                            input: '#Employee_Name',
                            message: 'Employee name is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Employee_Id',
                            message: 'Employee_Id is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Designation',
                            message: 'Designation is mandatory!',
                            rule: 'required'
                        },
                        {
                            input: '#Base_Location',
                            message: 'base location is mandatory!',
                            rule: 'required'
                        }],
                });
                
                $("#button_for_validateInput").jqxButton({
                    width: 250
                });
                $("#button_for_validateInput").click(
                    function () {
                        $('#Employee_Form').jqxValidator(
                            'validateInput', '#Designation');
                    });
            });
        </script>
    </center>
</body>
</html>


Output:

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



Last Updated : 03 Nov, 2021
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