I'm working on form validation. Everything is working fine what I actually want is I want to add some more input fields like checkbox, radio button, select and textarea, upload file and like so into the form I want them to be validated as well.
I got the email input error working but it is not working correctly as it should validate the email first and then it should remove the error message but it is removing the error message just after entering few characters.
I want the phone number to be validated. Like the user should enter 10 numeric digits that is in India if in another country that will differ I am a bit confused how to do it.
I want a success message to pop up when all the fields are correctly validated as they should. what I tried is this:
$('.success_msg').fadeIn().delay(3000).fadeOut(); $('input , textarea , select').val('').removeClass('valid'); event.preventDefault();I want all the fields to be cleared when all the validations are done and the success message is sent.
Can anyone point me in the right direction?
var Validator = function(formObject) {
this.form = $(formObject);
var Elements = {
name: {
reg: /^[a-zA-Z]{2,20}$/,
error: "Not a valid name.",
},
email: {
reg: /^[a-z-0-9_+.-]+\@([a-z0-9-]+\.)+[a-z0-9]{2,7}$/i,
error: "Not a valid e-mail address.",
},
phone: {
reg: /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/,
error: "Not a valid number.",
},
message: {
reg: /^(?!\s*$).+/,
error: "Message field cannot be empty.",
},
};
var handleError = function(element, message) {
element.addClass('input-error');
var $err_msg = element.parent('div');
$err_msg.find('.error').remove();
var error = $('<div class="error"></div>').text(message);
error.appendTo($err_msg);
element.keyup(function() {
$(error).fadeOut(1000, function() {
element.removeClass('input-error');
});
});
};
this.validate = function() {
var errorCount = 0;
this.form.find("input, textarea").each(function(index, field) {
var type = $(field).data("validation");
var validation = Elements[type];
if (validation) {
if (!validation.reg.test($(field).val())) {
errorCount++;
handleError($(field), validation.error);
}
}
})
return errorCount == 0;
};
};
$(function() {
$("form#test").on("submit", function(event) {
//event.preventDefault();
return new Validator(this).validate(); // "this" here refers to the form
})
})body {
background: #fff;
color: #333;
font: 76% Verdana, sans-serif;
}
form {
margin: 1em 0 0 2em;
width: 90%;
}
fieldset {
margin: 0;
border: 1px solid #ccc;
padding-bottom: 1em;
}
legend {
font-weight: bold;
text-transform: uppercase;
}
label {
float: left;
width: 5em;
padding-right: 2em;
font-weight: bold;
}
div {
margin-bottom: 30px;
}
input {
font: 1em Verdana, sans-serif;
}
fieldset ul li input {
float: left;
width: 120px;
border: 1px solid #ccc;
}
textarea {
width: 300px;
height: 200px;
border: 1px solid #ccc;
font: 1em Verdana, sans-serif;
}
form p {
margin: 0;
padding: 0.4em 0 0 7em;
}
form p input {
background: #666;
color: #fff;
font-weight: bold;
}
div.error {
clear: left;
margin-left: 5.3em;
color: red;
padding-right: 1.3em;
height: 100%;
padding-bottom: 0.3em;
line-height: 1.3;
}
.input-error {
background: #ff9;
border: 1px solid red;
}
.success_msg {
width: 350px;
line-height: 40px;
border: 1px solid green;
border-radius: 5px;
background-color: rgba(213, 255, 187, 0.7);
display: none;
position: absolute;
bottom: 5px;
left: 50%;
transform: translateX(-50%);
z-index: 999;
text-align: center;
}<script src=".1.1/jquery.min.js"></script>
<form action="#" method="post" id="test">
<fieldset>
<legend>Contact information</legend>
<div>
<label for="firstname">Firstname:</label>
<input type="text" name="firstname" id="firstname" data-validation="name" />
</div>
<div>
<label for="lastname">Lastname:</label>
<input type="text" name="lastname" id="lastname" data-validation="name" />
</div>
<div>
<label for="email">Email:</label>
<input type="email" name="email" id="email" data-validation="email" />
</div>
<div>
<label for="phone">phone</label>
<input type="number" name="phone" id="phone" data-validation="phone" />
</div>
<div>
<label>Gender:</label>
<input type="radio" name="gender" value="male" data-validation="gender" />
<input type="radio" name="gender" value="female" data-validation="gender">
</div>
<div>
<label>select</label>
<input type="checkbox" name="checkbox" id="checkbox1" value="demo1" data-validation="checkbox" />
<input type="checkbox" name="checkbox" id="checkbox2" value="demo2" data-validation="checkbox" />
<input type="checkbox" name="checkbox" id="checkbox3" value="demo3" ata-validation="checkbox" />
</div>
<select data-validation="selectOption">
<option value="">Select any option</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
<option value="green">Green</option>
</select>
<div>
<label>Upload:</label>
<input type="file" name="file" id="file" data-validation="file" />
</div>
<div>
<label for="message">Message:</label>
<textarea id="message" name="message" cols="30" rows="15" data-validation="message"></textarea>
</div>
<p><input type="submit" name="send" id="send" value="Send" /></p>
</fieldset>
<div class="success_msg">
<p>Form submitted Successfully</p>
</div>
</form>I'm working on form validation. Everything is working fine what I actually want is I want to add some more input fields like checkbox, radio button, select and textarea, upload file and like so into the form I want them to be validated as well.
I got the email input error working but it is not working correctly as it should validate the email first and then it should remove the error message but it is removing the error message just after entering few characters.
I want the phone number to be validated. Like the user should enter 10 numeric digits that is in India if in another country that will differ I am a bit confused how to do it.
I want a success message to pop up when all the fields are correctly validated as they should. what I tried is this:
$('.success_msg').fadeIn().delay(3000).fadeOut(); $('input , textarea , select').val('').removeClass('valid'); event.preventDefault();I want all the fields to be cleared when all the validations are done and the success message is sent.
Can anyone point me in the right direction?
var Validator = function(formObject) {
this.form = $(formObject);
var Elements = {
name: {
reg: /^[a-zA-Z]{2,20}$/,
error: "Not a valid name.",
},
email: {
reg: /^[a-z-0-9_+.-]+\@([a-z0-9-]+\.)+[a-z0-9]{2,7}$/i,
error: "Not a valid e-mail address.",
},
phone: {
reg: /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/,
error: "Not a valid number.",
},
message: {
reg: /^(?!\s*$).+/,
error: "Message field cannot be empty.",
},
};
var handleError = function(element, message) {
element.addClass('input-error');
var $err_msg = element.parent('div');
$err_msg.find('.error').remove();
var error = $('<div class="error"></div>').text(message);
error.appendTo($err_msg);
element.keyup(function() {
$(error).fadeOut(1000, function() {
element.removeClass('input-error');
});
});
};
this.validate = function() {
var errorCount = 0;
this.form.find("input, textarea").each(function(index, field) {
var type = $(field).data("validation");
var validation = Elements[type];
if (validation) {
if (!validation.reg.test($(field).val())) {
errorCount++;
handleError($(field), validation.error);
}
}
})
return errorCount == 0;
};
};
$(function() {
$("form#test").on("submit", function(event) {
//event.preventDefault();
return new Validator(this).validate(); // "this" here refers to the form
})
})body {
background: #fff;
color: #333;
font: 76% Verdana, sans-serif;
}
form {
margin: 1em 0 0 2em;
width: 90%;
}
fieldset {
margin: 0;
border: 1px solid #ccc;
padding-bottom: 1em;
}
legend {
font-weight: bold;
text-transform: uppercase;
}
label {
float: left;
width: 5em;
padding-right: 2em;
font-weight: bold;
}
div {
margin-bottom: 30px;
}
input {
font: 1em Verdana, sans-serif;
}
fieldset ul li input {
float: left;
width: 120px;
border: 1px solid #ccc;
}
textarea {
width: 300px;
height: 200px;
border: 1px solid #ccc;
font: 1em Verdana, sans-serif;
}
form p {
margin: 0;
padding: 0.4em 0 0 7em;
}
form p input {
background: #666;
color: #fff;
font-weight: bold;
}
div.error {
clear: left;
margin-left: 5.3em;
color: red;
padding-right: 1.3em;
height: 100%;
padding-bottom: 0.3em;
line-height: 1.3;
}
.input-error {
background: #ff9;
border: 1px solid red;
}
.success_msg {
width: 350px;
line-height: 40px;
border: 1px solid green;
border-radius: 5px;
background-color: rgba(213, 255, 187, 0.7);
display: none;
position: absolute;
bottom: 5px;
left: 50%;
transform: translateX(-50%);
z-index: 999;
text-align: center;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form action="#" method="post" id="test">
<fieldset>
<legend>Contact information</legend>
<div>
<label for="firstname">Firstname:</label>
<input type="text" name="firstname" id="firstname" data-validation="name" />
</div>
<div>
<label for="lastname">Lastname:</label>
<input type="text" name="lastname" id="lastname" data-validation="name" />
</div>
<div>
<label for="email">Email:</label>
<input type="email" name="email" id="email" data-validation="email" />
</div>
<div>
<label for="phone">phone</label>
<input type="number" name="phone" id="phone" data-validation="phone" />
</div>
<div>
<label>Gender:</label>
<input type="radio" name="gender" value="male" data-validation="gender" />
<input type="radio" name="gender" value="female" data-validation="gender">
</div>
<div>
<label>select</label>
<input type="checkbox" name="checkbox" id="checkbox1" value="demo1" data-validation="checkbox" />
<input type="checkbox" name="checkbox" id="checkbox2" value="demo2" data-validation="checkbox" />
<input type="checkbox" name="checkbox" id="checkbox3" value="demo3" ata-validation="checkbox" />
</div>
<select data-validation="selectOption">
<option value="">Select any option</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
<option value="green">Green</option>
</select>
<div>
<label>Upload:</label>
<input type="file" name="file" id="file" data-validation="file" />
</div>
<div>
<label for="message">Message:</label>
<textarea id="message" name="message" cols="30" rows="15" data-validation="message"></textarea>
</div>
<p><input type="submit" name="send" id="send" value="Send" /></p>
</fieldset>
<div class="success_msg">
<p>Form submitted Successfully</p>
</div>
</form>Please feel free to clear your doubts before you invest your time answering the question.
Share Improve this question edited Jun 9, 2018 at 18:47 Ivan 40.7k8 gold badges72 silver badges117 bronze badges asked May 31, 2018 at 11:12 Mohammed Wahed KhanMohammed Wahed Khan 8982 gold badges14 silver badges37 bronze badges 6- just change selector to selector: $('#name'), – Bhumi Shah Commented May 31, 2018 at 11:15
- @BhumiShah I don't want to use Id's I want the form to validate all the text input fields all at once regardless of how many they are. – Mohammed Wahed Khan Commented May 31, 2018 at 11:16
- gone are the days to put js code for validation .. u can try this library itself - jquery form validator - formvalidator.net . Its simple and straight forward. – Mittul At TechnoBrave Commented Jun 1, 2018 at 4:59
- @NikolaLukic That is not a duplicate no two forms are same. I want my form to be validated by in different way. – Mohammed Wahed Khan Commented Jun 1, 2018 at 11:07
- Unless you're doing this just to learn how to do it yourself, I would recommend jqueryvalidation.org. It's really simple to use and there's no reason to create more work for yourself on a project when others have solved this problem already. – Jonathan Eltgroth Commented Jun 6, 2018 at 19:37
2 Answers
Reset to default 11Here is the working code:
https://jsfiddle.net/bhumi/o2gxgz9r/47570/
I have changed selector to use id
You need to use loop in handle error:
var Validator = function(form) {
this.form = $(form);
var Elements = {
name: {
selector: $('input[type=text]'),
reg: /^[a-zA-Z]{2,20}$/
},
email: {
selector: $('input[type=email]'),
reg: /^[a-z-0-9_+.-]+\@([a-z0-9-]+\.)+[a-z0-9]{2,7}$/i
},
message: {
selector: $('textarea'),
reg: /^\s+$/
}
};
var handleError = function(element, message, v1) {
if (v1.selector.length > 1) {
var ss = v1.selector;
$(ss).each(function(i, v) {
$(v).removeClass('input-error');
if($(v).val() == ''){
$(v).addClass('input-error');
var $err_msg = $(v).parent('div');
if($(v).parent('div').find('.error').length == 0) {
var error = $('<div class="error"></div>').text(message);
}else{
$(v).parent('div').find('.error').text('');
var error = $(v).parent('div').find('.error').text(message);
$(this).siblings('.error').show();
}
error.appendTo($err_msg);
}else{
$(v).siblings('.error').text('')
}
$(v).keyup(function() {
$(error).fadeOut(1000, function() {
element.removeClass('input-error');
});
});
});
} else {
element.addClass('input-error');
var $err_msg = element.parent('div');
if(element.parent('div').find('.error').length == 0) {
var error = $('<div class="error"></div>').text(message);
}else{
element.parent('div').find('.error').text('');
var error = element.parent('div').find('.error').text(message);
$(this).siblings('.error').show();
}
error.appendTo($err_msg);
element.keyup(function() {
$(error).fadeOut(1000, function() {
element.removeClass('input-error');
});
});
}
};
this.validate = function() {
this.form.submit(function(e) {
for (var i in Elements) {
var type = i;
var validation = Elements[i];
switch (type) {
case 'name':
if (!validation.reg.test(validation.selector.val())) {
handleError(validation.selector, 'Not a valid name.', validation);
}
break;
case 'email':
if (!validation.reg.test(validation.selector.val())) {
handleError(validation.selector, 'Not a valid e-mail address.', validation);
}
break;
case 'message':
if (validation.reg.test(validation.selector.val()) || validation.selector.val() == '') {
handleError(validation.selector, 'Message field cannot be empty.', validation);
}
break;
default:
break;
}
}
e.preventDefault();
});
};
};
var validator = new Validator('#test');
validator.validate();
I hope this is what you were trying to achieve. This took longer than expected but I tried to achieve it. This whole form is custom form. You could have used the existing plugins to achieve it. Any which ways it took much time to figure it out. Consider the question as most of things are working, ignore if something's not what you want.
$(document).ready(function() {
/* contact form validation */
var Validator = function(formObject) {
this.form = $(formObject);
var Elements = {
name: {
reg: /^[a-zA-Z ]{2,20}$/,
require: true,
error: "Not a valid name.",
},
email: {
reg: /^[a-z-0-9_+.-]+\@([a-z0-9-]+\.)+[a-z0-9]{2,7}$/i,
error: "Not a valid e-mail address.",
},
phone: {
reg: /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/,
error: "Not a valid number.",
},
message: {
reg: /^(?!\s*$).+/,
error: "Message field cannot be empty.",
},
gender: {
error: "gender is required",
},
selectOption: {
error: "this field is required",
required: true
}
};
var handleError = function(element, message) {
element.addClass('input-error');
var $err_msg = element.parent('div');
$err_msg.find('.error').remove();
var error = $('<div class="error"></div>').text(message);
error.appendTo($err_msg);
console.log(element);
element.on('keypress change', function() {
$(error).fadeOut(1000, function() {
console.log(element);
element.removeClass('input-error');
});
});
};
/* Select Option */
this.validate = function() {
var errorCount = 0;
this.form.find("select").each(function(index, field) {
var type = $(field).data("validation");
var validation = Elements[type];
if ($(field).val() == "") {
errorCount++;
handleError($(field), validation.error);
}
});
this.form.find("input, textarea").each(function(index, field) {
var type = $(field).data("validation");
var validation = Elements[type];
if (validation !== undefined) {
var re = new RegExp(validation.reg);
if (validation) {
if (!re.test($(field).val())) {
errorCount++;
handleError($(field), validation.error);
}
}
}
})
/* Radio button */
var radioList = $('input:radio');
var radioNameList = new Array();
var radioUniqueNameList = new Array();
var notCompleted = 0;
for (var i = 0; i < radioList.length; i++) {
radioNameList.push(radioList[i].name);
}
radioUniqueNameList = jQuery.unique(radioNameList);
console.log(radioUniqueNameList);
for (var i = 0; i < radioUniqueNameList.length; i++) {
var field = $('#' + radioUniqueNameList[i]);
var type = field.data("validation");
var validation = Elements[type];
if ($('input[name=' + type + ']:checked', '#test').val() == undefined) {
errorCount++;
handleError($(field), validation.error);
}
}
return errorCount == 0;
};
};
/* Submit form*/
$(function() {
$("form#test").on('submit', function(e) {
var NoErrors = new Validator(this).validate();
if (NoErrors == true) {
$.ajax({
url: this.action,
type: this.method,
data: $(this).serialize(),
success: function() {
// AJAX request finished, handle the results and error msg
$('.success_msg').fadeIn().delay(3000).fadeOut();
$('input[type!="submit"], textarea').val('').removeClass('error');
}
});
}
return false;
})
})
});body {
background: #fff;
color: #333;
font: 76% Verdana, sans-serif;
}
form {
margin: 1em 0 0 2em;
width: 90%;
}
fieldset {
margin: 0;
border: 1px solid #ccc;
padding-bottom: 1em;
}
legend {
font-weight: bold;
text-transform: uppercase;
}
label {
float: left;
width: 5em;
padding-right: 2em;
font-weight: bold;
}
div {
margin-bottom: 30px;
}
input {
font: 1em Verdana, sans-serif;
}
fieldset ul li input {
float: left;
width: 120px;
border: 1px solid #ccc;
}
textarea {
width: 300px;
height: 200px;
border: 1px solid #ccc;
font: 1em Verdana, sans-serif;
}
form p {
margin: 0;
padding: 0.4em 0 0 7em;
}
form p input {
background: #666;
color: #fff;
font-weight: bold;
}
div.error {
clear: left;
margin-left: 5.3em;
color: red;
padding-right: 1.3em;
height: 100%;
padding-bottom: 0.3em;
line-height: 1.3;
}
.input-error {
background: #ff9;
border: 1px solid red;
}
.success_msg {
width: 350px;
line-height: 40px;
border: 1px solid green;
border-radius: 5px;
background-color: rgba(213, 255, 187, 0.7);
display: none;
position: absolute;
bottom: 5px;
left: 50%;
transform: translateX(-50%);
z-index: 999;
text-align: center;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js"></script>
<form action="#" method="post" id="test">
<fieldset>
<legend>Contact information</legend>
<div>
<label for="firstname">Firstname:</label>
<input type="text" name="firstname" id="firstname" data-validation="name" />
</div>
<div>
<label for="lastname">Lastname:</label>
<input type="text" name="lastname" id="lastname" data-validation="name" />
</div>
<div>
<label for="email">Email:</label>
<input type="email" name="email" id="email" data-validation="email" />
</div>
<div>
<label for="phone">phone</label>
<input type="number" name="phone" id="phone" data-validation="phone" />
</div>
<div>
<label>Gender:</label>
<input type="radio" name="gender" value="male" data-validation="gender" />
<input type="radio" name="gender" value="female" data-validation="gender">
</div>
<select data-validation="selectOption">
<option value="">Select any option</option>
<option value="red">Red</option>
<option value="blue">Blue</option>
<option value="green">Green</option>
</select>
<div>
<label for="message">Message:</label>
<textarea id="message" name="message" cols="30" rows="15" data-validation="message"></textarea>
</div>
<p><input type="submit" name="send" id="send" value="Send" /></p>
</fieldset>
<div class="success_msg">
<p>Form submitted Successfully</p>
</div>
</form>