jQWidgets jqxValidator onError Property
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 onError property is used for setting or getting a callback function that will be called on validation of any error.
Syntax:
-
For setting the onError property.
$('#jqxValidator').jqxValidator({ onError: function () { alert('The form has been filled incorrectly.'); } }); -
For getting the onError property.
var onError = $('#jqxValidator').jqxValidator('onError');
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/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxvalidator.js”></script>
Example: The below example illustrates the jQWidgets jqxValidator onError property.
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 onError Property </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_onError" value="Value of the onError property"/> <div id="log"></div> <script type="text/javascript"> $(document).ready(function () { $('#Employee_Form').jqxValidator({ onError: function () { $("#log").html(( 'The form has been filled incorrectly.')); }, 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_onError").jqxButton({ width: 300 }); $("#button_for_onError").click( function () { $('#Employee_Form').jqxValidator('validate'); }); }); </script> </center> </body> </html> |
Output:
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