jQWidgets jqxValidator validateInput()方法

jQWidgets 用于在JavaScript的帮助下验证HTML表单。它有一些内置的规则，根据用户输入、电子邮件、SSN、ZIP、最大值、最小值、区间等验证的要求。也可以根据具体要求编写自定义规则。

validateInput()方法用于验证指定的jqxValidator的单一特定输入。

语法:

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

参数: 这个方法接受一个参数，如下图所示。

Input。这是正在进行验证的具体输入。

返回 values: 这个方法不返回任何值。

Linked Files: 从给定的链接中下载jQWidgets。在HTML文件中，找到下载文件夹中的脚本文件。

<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>

示例: 方法。在下面的例子中，只有 “指定 “的输入被验证了。

<!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>

输出:

jQWidgets jqxValidator validateInput()方法