我不太了解 Javascript，我尝试了所有方法，但找不到解决问题的方法。
我正在使用这个插件进行验证，它运行良好，但只有一个小问题是它写入的错误文本一直显示在输入字段旁边，我希望它显示在输入字段下方。任何人都可以为此修改此脚本吗？非常感谢你 ：）
;(function($, window, document, undefined){
// our plugin constructor
var SimpleValidate = function(elem, options) {
this.elem = elem;
this.$elem = $(elem);
this.options = options;
this.metadata = this.$elem.data('plugin-options');
this.$requiredInputs = this.$elem.find(':input.required');
};
// the plugin prototype
SimpleValidate.prototype = {
defaults: {
errorClass: 'error',
errorText: 'Please fill out this field.',
emailErrorText: 'Please enter a valid E-mail',
errorElement: 'strong',
removeLabelChar: '*',
inputErrorClass: 'input-error',
completeCallback: '',
ajaxRequest: false
},
init: function() {
var self = this;
// Introduce defaults that can be extended either
// globally or using an object literal.
self.config = $.extend({}, self.defaults, self.options, self.metadata);
// What type of error message is it
self.errorMsgType = self.config.errorText.search(/{label}/);
self.emailErrorMsgType = self.config.emailErrorText.search(/{label}/);
self.$elem.on('submit.simpleValidate', $.proxy(self.handleSubmit, self));
return this;
},
checkField: function(index) {
var self = this;
var $field = self.$requiredInputs.eq(index);
var fieldValue = $.trim($field.val());
var labelText = $field.siblings('label').text().replace(self.config.removeLabelChar, '');
var errorMsg = '';
//Check if it's empty or an invalid email and format the error message
if(fieldValue === '') {
errorMsg = self.formatErrorMsg(self.config.errorText, labelText, self.errorMsgType);
self.hasError = true;
} else if($field.hasClass('email')) {
if(!(/^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,4})$/.test(fieldValue.toLowerCase()))) {
errorMsg = self.formatErrorMsg(self.config.emailErrorText, labelText, self.emailErrorMsgType);
self.hasError = true;
}
}
//If there is an error, display it
if(errorMsg !== '') {
$field.addClass(self.config.inputErrorClass).after('<' + self.config.errorElement + ' class="' + self.config.errorClass + '">' + errorMsg + '</' + self.config.errorElement + '>');
}
},
formatErrorMsg: function(errorText, labelText, errorMsgType) {
return (errorMsgType > -1 ) ? errorText.replace('{label}', labelText) : errorText;
},
handleSubmit: function(e) {
var self = this;
// We are just starting, so there are no errors yet
this.hasError = false;
// Reset existing displayed errors
self.$elem.find(self.config.errorElement + '.' + self.config.errorClass).remove();
self.$elem.find(':input.' + self.config.inputErrorClass).removeClass(self.config.inputErrorClass);
// Check each field
self.$requiredInputs.each($.proxy(self.checkField, self));
// Don't submit the form if there are errors
if(self.hasError) {
e.preventDefault();
} else if(self.config.completeCallback !== '') { // If there is a callback
self.config.completeCallback(self.$elem);
// If AJAX request
if(self.config.ajaxRequest) {
e.preventDefault();
}
}
}
};
SimpleValidate.defaults = SimpleValidate.prototype.defaults;
$.fn.simpleValidate = function(options) {
return this.each(function() {
new SimpleValidate(this, options).init();
});
};
})( jQuery, window , document );