jQWidgets jqxValidator focus 属性

jQWidgets是一个 JavaScript 框架，用于为 PC 和移动设备制作基于 Web 的应用程序。它是一个非常强大、经过优化、独立于平台且得到广泛支持的框架。这 jqxValidator 用于在 JavaScript 的帮助下验证 HTML 表单。根据用户输入的验证要求，它有一些内置规则，电子邮件，SSN，ZIP，最大值，最小值，间隔等。也可以根据具体情况编写自定义规则要求。

focus属性用于设置或获取指定的 jqxValidator 是否聚焦第一个无效输入。此方法接受两个可能的值，即true和false 。

句法：

• 用于设置焦点属性。

  $('#jqxValidator').jqxValidator( { focus: false } );  

• 用于获取焦点属性。

  var focus = $('#jqxValidator').jqxValidator('focus'); 

链接文件：从给定链接下载 jQWidgets。在 HTML 文件中，找到下载文件夹中的脚本文件。

示例：下面的示例说明了 jQWidgets 的焦点属性。在下面的示例中， focus属性的值已设置为false。

HTML

  

    
    
    
    
    
    
    
    
    

  

    
        
            GeeksforGeeks
        
        
            jQWidgets jqxValidator focus Property
        
        
            
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
            Employee_Name:
                        
                    Employee_Id:
                        
                    Designation:
                        
                    Base_Location:
                        
                    
        
        
        
        
            
            $(document).ready(function () {
                $('#Employee_Form').jqxValidator({
                    focus: false,
                    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_focus").jqxButton({
                    width: 300
                });
                $("#button_for_focus").click(
                    function () {
                        $('#Employee_Form').jqxValidator('validate');
                        var Value_of_focus =
                            $('#Employee_Form').jqxValidator('focus');
                            $("#log").html(JSON.stringify(Value_of_focus));
                    });
            });
        
    

输出：

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