How to prevent insert a duplicate record in Angularjs

How to prevent insert a duplicate record in Angularjs - javascript

I am loading all records from a SQL db table using Angular and web API, what I am trying to do is to prevent the user from inserting a new record in Angular in case some of the data is duplicated with other records returned data, before going to the API.
How to raise an alert to notify and tension the user when press save that there are some fields are already exist like "code", "L_Desk", "A_Desc "with the loaded data from the table.
HTML:
<body ng-app="ContractT" ng-controller="crudController">
<br /><br />
<input type="checkbox" ng-model="Hide" />Hide <input type="button" value="Clear" ng-click="resetform()" />
<input type="submit" value="Save" ng-click="save()"/> <input type="button" value="Delete" ng-click="delete(selectedMember.sys_key)" />
<fieldset>
<legend>Contract Type</legend>
<table>
<tr>
<td>Code</td>
<td><input type="text" size="10" pattern="^[a-zA-Z0-9]+$" title="Alphnumeric" required autofocus ng-model="selectedMember.Code.Staff_Type_Code">
<input type="text" size="10" hidden ng-model="selectedMember.sys_key" /> </td>
</tr>
<tr>
<td>Latin Description</td>
<td><input type="text" required size="35" ng-model="selectedMember.Latin.L_Desc"></td>
</tr>
<tr>
<td>Local Description</td>
<td><input type="text" required size="35" ng-model="selectedMember.Local.A_Desc"></td>
</tr>
<tr>
<td>No. Of Houres Per Day</td>
<td><input type="text" pattern="^[0-9]+$" title="Please enter numbers only" size="10" maxlength="2" ng-model="selectedMember.Hours_Day"></td>
</tr>
<tr>
<td>No. Of Days Per Week(s)</td>
<td><input type="text" pattern="^[0-9]+$" title="Please enter numbers only" size="10" maxlength="2" ng-model="selectedMember.Days_Week"></td>
</tr>
<tr>
<td>End Of Contract By</td>
<td>
<select ng-model="selectedContract">
<option>Age</option>
<option>Number Of Years in Service</option>
</select>
</td>
</tr>
<tr>
<td>Number</td>
<td>
<input type="text" pattern="^[0-9]+$" title="Please enter numbers only" size="10" maxlength="2" ng-model="selectedMember.Num_EndWork">
<select ng-model="selectedNumber">
<option >Months</option>
<option>Years</option>
</select>
</td>
</tr>
</table>
</fieldset>
<br />
<table border="1" ng-hide="Hide">
<thead>
<tr>
<!--<th>syskey</th>-->
<th>Code</th>
<th>Latin Description</th>
<th>Local Description</th>
<th>Hours_Day</th>
<th>Days_Week</th>
<th>Num_EndWork</th>
</tr>
</thead>
<tbody>
<tr ng-repeat="c in Contracts | filter:selectedMember.Code | filter:selectedMember.Latin | filter:selectedMember.Local ">
<td style="display:none;">{{c.sys_key}}</td>
<td>{{c.Staff_Type_Code}}</td>
<td>{{c.L_Desc}}</td>
<td>{{c.A_Desc}}</td>
<td>{{c.Hours_Day}}</td>
<td>{{c.Days_Week}}</td>
<td>{{c.Num_EndWork}}</td>
</tr>
</tbody>
</table>
</form>
Controller :
contractT.controller('crudController', function ($scope, crudService)
{
loadrecords();
function loadrecords()
{
crudService.getContracts().then(function (response) {
$scope.Contracts = (response.data);
$scope.selectedMember = {};
console.log($scope.Contracts);
});
}
$scope.save = function () {
debugger;
if ($scope.selectedContract == 'Age' && $scope.selectedNumber == 'Months') {
var Contract = {
Staff_Type_Code: $scope.selectedMember.Code.Staff_Type_Code,
L_Desc: $scope.selectedMember.Latin.L_Desc,
A_Desc: $scope.selectedMember.Local.A_Desc,
Num_EndWork: $scope.selectedMember.Num_EndWork,
Type_EndWork: 1,
Hours_Day: $scope.selectedMember.Hours_Day,
Days_Week: $scope.selectedMember.Days_Week,
sys_key: $scope.selectedMember.sys_key
}
}
else if ($scope.selectedContract == 'Age' && $scope.selectedNumber == 'Years')
{
var Contract = {
Staff_Type_Code: $scope.selectedMember.Code.Staff_Type_Code,
L_Desc: $scope.selectedMember.Latin.L_Desc,
A_Desc: $scope.selectedMember.Local.A_Desc,
Num_EndWork: $scope.selectedMember.Num_EndWork,
Type_EndWork: 2,
Hours_Day: $scope.selectedMember.Hours_Day,
Days_Week: $scope.selectedMember.Days_Week,
sys_key: $scope.selectedMember.sys_key
}
}
else if ($scope.selectedContract == 'Number Of Years in Service' && $scope.selectedNumber == 'Months') {
var Contract = {
Staff_Type_Code: $scope.selectedMember.Code.Staff_Type_Code,
L_Desc: $scope.selectedMember.Latin.L_Desc,
A_Desc: $scope.selectedMember.Local.A_Desc,
Num_EndWork: $scope.selectedMember.Num_EndWork,
Type_EndWork: 3,
Hours_Day: $scope.selectedMember.Hours_Day,
Days_Week: $scope.selectedMember.Days_Week,
sys_key: $scope.selectedMember.sys_key
}
}
else {
var Contract = {
Staff_Type_Code: $scope.selectedMember.Code.Staff_Type_Code,
L_Desc: $scope.selectedMember.Latin.L_Desc,
A_Desc: $scope.selectedMember.Local.A_Desc,
Num_EndWork: $scope.selectedMember.Num_EndWork,
Type_EndWork: 4,
Hours_Day: $scope.selectedMember.Hours_Day,
Days_Week: $scope.selectedMember.Days_Week,
sys_key: $scope.selectedMember.sys_key
}
}
if (!$scope.selectedMember.sys_key) {
var promisePost = crudService.post(Contract);
promisePost.then(function (pl) {
loadRecords();
$scope.selectedmember = {};
}, function (err) {
console.log("Err" + err);
});
}
else
{
var promisePost = crudService.put(Contract);
promisePost.then(function (pl) {
loadRecords();
$scope.selectedmember = {};
}, function (err) {
console.log("Err" + err);
});
}
}
$scope.resetform = function () {
$scope.selectedMember = {};
//$scope.selectedMember = {};
//$scope.Local = {};
//$scope.Nhd = null;
//$scope.Ndw = null;
//$scope.Num = null;
}
$scope.selectedMember = { Code: "",sys_key:"", Latin:"" , Local:"", Hours_Day :"", Days_Week:"", Num_EndWork:"" }
$scope.showInEdit = function (member)
{
$scope.selectedMember = member;
//$scope.selectedMember.Code = member;
//$scope.selectedMember.Latin = member;
//$scope.selectedMember.Local = member;
//$scope.selectedMember.Hours_Day = member;
//$scope.selectedMember.Days_Week = member;
//$scope.selectedMember.Num_EndWork = member;
}

You can use filter here inorder to check for duplicates
var filtered= $filter('filter')($scope.contracts, function(value){
return value.Staff_Type_Code === Contract.Staff_Type_Code ;
});
if(filtered.length > 0){
console.log("duplicate exists");
}

Related

disable button in case of empty element in class

I want to disable submit button if there is any empty field in class element.
$(document).ready(function (){
fees = [];
$('#button').attr('disabled',true);
});
function submitButton() {
// var fees = $('.fee').val();
var total = $('#total').val();
$(".fee").each(function(index, value){
fees.push($(this).val().trim());
});
if(fees.includes('') && total = '') {
$('#button').attr('disabled',true);
} else {
$('#button').attr('disabled',false);
} // /else
}//fuction
JS fiddle link

Just check if there is content inside the inputs, if you activate the button by removing the disabled class
$('input').on('keyup', function(){
var enable = true
$('input').each(function(index, element){
if ($(element).val() == "" || $(element).val() == null){
enable = false;
}
});
if (enable){
$('button').removeAttr('disabled');
}else{
$('button').attr('disabled','disabled');
}
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<input type="text" /><br /><br />
<input type="text" /><br /><br />
<input type="text" />
<button disabled>Confirm</button>
Edit 1.0:
$(document).ready(function (){
fees = [];
$('#button').attr('disabled',true);
});
//submit button enable disable
function submitButton() {
var total = $('#total').val();
$(".fee").each(function(index, value){
fees.push($(this).val().trim());
});
}//fuction
function disableButton(){
var enable = true
$('input.useToCheck').each(function(index, element){
if ($(element).val() == "" || $(element).val() == null){
enable = false;
}
});
if (enable){
$('button').removeAttr('disabled');
}else{
$('button').attr('disabled','disabled');
}
}
$('input').on('keyup', function(){
disableButton();
});
$('#more').on('click', function(){
disableButton();
});
//autocomplete script
$(document).on('focus','.search',function(){
let type = $(this).data('type');
$(this).autocomplete({
source: [{
label: 1,
value: 1,
data: {
t_id: 1,
Fee: 9.99
}
}, {
label: 2,
value: 2,
data: {
t_id: 2,
Fee: 1
}
}],
autoFocus: true,
minLength: 1,
select: function( event, ui ) {
let id_num = $(this).attr('id').substring(5);
$(this).val(ui.item.value);
$('#fee_' + id_num).val(ui.item.data.Fee);
$('#total').val(ui.item.data.Fee);
//$(this).attr('data-type', ui.item.type);
return false;
},
});
});
var i=$('table#first tr').length;
$("#more").on('click',function(){
html = '<tr>';
html += '<td><input type="text" data-type="type" onKeyUp="submitButton();" id="test_'+i+'" class="search useToCheck" placeholder="Enter 1 or 2 only"> </td>';
html += '<td><input type="number" id="fee_'+i+'" class="fee" placeholder="Fee"></td>';
html += '</tr>';
$('table#first').append(html);
i++;
disableButton();
$('input').on('keyup', function(){
disableButton();
});
});
#button {
margin: 50px;
}
<link href="https://code.jquery.com/ui/1.11.4/themes/ui-darkness/jquery-ui.css" rel="stylesheet"/>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<script src="https://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<!--hidden div-->
<div class="Popup">
<table id="first">
<thead>
<tr>
<th>Name</th>
<th>Fee</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" data-type="type" onKeyUp="submitButton();" id="test_1" class="search useToCheck" placeholder="Enter 1 or 2 only"></td>
<td><input type="number" id="fee_1" class="fee" placeholder="Fee"></td>
<td><a id="more"> More Row </a></td>
</tr>
</tbody>
</table>
<h3> Table 2 </h3>
<table id="tests">
<thead>
<tr>
<th>Student</th>
<th>Total</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" data-type="type" onKeyUp="submitButton();" id="student" class="search useToCheck"></td>
<td><input type="number" id="total"></td>
</tr>
</tbody>
</table>
</div>
<button type="button" id="button"> submit </button>

Add keyup event to the input, Check if the elements .fee and '#total have value and then enable the button else disable.
$(document).ready(function() {
const btn = $('button');
btn.attr('disabled', true);
$('input').on('keyup', function() {
const fees = $('.fee').val();
const total = $('#total').val();
const isDisabled = (fees && total) ? false : true;
btn.attr('disabled', isDisabled);
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="Popup">
<table id="first">
<thead>
<tr>
<th>Name</th>
<th>Fee</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" data-type="type" id="test_1" class="search" placeholder="Enter 1 or 2 only"></td>
<td><input type="number" id="fee_1" class="fee" placeholder="Fee"></td>
<td><a id="more"> More Row </a></td>
</tr>
</tbody>
</table>
<h3> Table 2 </h3>
<table id="tests">
<thead>
<tr>
<th>Student</th>
<th>Total</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="text" data-type="type" id="student" class="search"></td>
<td><input type="number" id="total"></td>
</tr>
</tbody>
</table>
</div>
<button type="button" id="button"> submit </button>

How I can put the required input fields in my Js code

How I can put the required fields in my Js code
I set required = true in xml view but it does blocker all the form
how to add required for the js code jQuery
this my code jQuery :
// table course
jQuery(document).ready(function() {
var id = 0;
var cr = 0;
jQuery("#addcourserow").click(function() {
id++;
var row = jQuery('.courserow tr').clone(true);
var c = 1;
row.find("input").each(function(){
if (c === 1) {
$(this).attr('name','course_name_'+id);
}
else if (c === 2) {
$(this).attr('name','course_duration_'+id);
}
else if (c === 3) {
$(this).attr('name','course_date_'+id);
}
c++;
});
row.appendTo('#CourseTable');
return false;
});
$('.remove').on("click", function() {
$(this).parents("tr").remove();
});
});
and this my XML
<!-- Course -->
<table id="CourseTable">
<thead>
<th>name</th>
<th>duration</th>
<th>date</th>
</thead>
<tr id="tr_course">
<td><input type="text" name="course_name_1" id="course_name"/></td>
<td><input type="text" name="course_duration_1" id="course_duration"/></td>
<td><input type="date" name="course_date_1" id="course_date" /></td>
<td><button class="remove">Remove</button></td>
</tr>
</table>
<input type="button" id="addcourserow" value="add row" />
<table class="courserow" style="display:none">
<tr>
<td><input type="text" id="course_name" /></td>
<td><input type="text" id="course_duration"/></td>
<td><input type="date" id="course_date"/></td>
<td><button class="remove">Remove</button></td>
</tr>
</table>
</div>
I added here in codepen

Please consider the following code.
$(function() {
var id = 0;
var cr = 0;
var names = [
"course_name",
"course_duration",
"course_date"
];
$("#addcourserow").click(function() {
var row = $('#course-row-template tr').clone(true);
id++;
var c = 0;
row.find("input").each(function() {
var inpId = $(this).attr("id") + "_" + id;
$(this).attr({
id: inpId,
name: names[c++] + "_" + id
}).prop("required", true);
console.log($(this));
});
row.appendTo('#CourseTable');
return false;
});
$('.remove').on("click", function() {
$(this).parents("tr").remove();
});
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<table id="CourseTable">
<thead>
<th>name</th>
<th>duration</th>
<th>date</th>
</thead>
<tr id="tr_course">
<td><input type="text" id="course_name_0" /></td>
<td><input type="text" id="course_duration_0" /></td>
<td><input type="date" id="course_date_0" /></td>
<td><button class="remove">Remove</button></td>
</tr>
</table>
<input type="button" id="addcourserow" value="Add New Row" />
<table id="course-row-template" style="display:none">
<tr>
<td><input type="text" id="course_name" /></td>
<td><input type="text" id="course_duration" /></td>
<td><input type="date" id="course_date" /></td>
<td><button class="remove">Remove</button></td>
</tr>
</table>
This will ensure that each <input> has a unique ID and name. It also adds the required property to each of them.
Hope that helps.

i find answer
jQuery(document).ready(function() {
var id = 0;
jQuery("#addcourserow").click(function() {
id++;
var row = jQuery('.courserow tr').clone(true);
var c = 1;
row.find("input").each(function(){
if (c === 1) {
$(this).attr('name','course_name_'+id).prop("required", true);
}
else if (c === 2) {
$(this).attr('name','course_duration_'+id).prop("required", true);
}
else if (c === 3) {
$(this).attr('name','course_date_'+id).prop("required", true);
}
c++;
});
row.appendTo('#CourseTable');
return false;
});
$('.remove').on("click", function() {
$(this).parents("tr").remove();
});
});
and i add required in my Xml
<table id="CourseTable">
<thead>
<th>name</th>
<th>duration</th>
<th>date</th>
</thead>
<tr id="tr_course">
<td><input type="text" name="course_name_1" id="course_name" required="required"/></td>
<td><input type="text" name="course_duration_1" id="course_duration" required="required"/></td>
<td><input type="date" name="course_date_1" id="course_date" required="required"/></td>
<td><button class="remove">Remove</button></td>
</tr>
</table>

Angular JS Application Returns Error In Google Chrome Console Application

I am consuming wcf service into angular js application . I am trying to invoke multi request from angular js application to wcf service . But the problem is when i run the application i got following errors in google chrome console windows .
Uncaught SyntaxError: missing ) after argument list
Uncaught Error: [$injector:modulerr] http://errors.angularjs.org/1.6.5/$injector/modulerr?
Here is the script code .
///// <reference path="../angular.min.js" />
var app = angular.module("WebClientModule", [])
.controller('Web_Client_Controller', ["$scope", 'myService', function ($scope, myService) {
$scope.OperType = 1;
//1 Mean New Entry
//To Clear all input controls.
function ClearModels() {
$scope.OperType = 1;
$scope.Tittle = "";
$scope.First_Name = "";
$scope.Last_Name = "";
$scope.Gender = "";
$scope.DOB = "";
$scope.Mobile = "";
$scope.House_No = "";
$scope.Streent_Name = "";
$scope.Country = "";
$scope.Post_Code = "";
$scope.Occupation = "";
}
$scope.CeditCardApplication = function () {
var ApplicationDeatils = {
Tittle: $scope.Tittle,
First_Name: $scope.First_Name,
Last_Name: $scope.Last_Name,
Gender: $scope.Gender,
DOB: $scope.DOB,
Mobile: $scope.Mobile,
House_No: $scope.House_No,
Streent_Name: $scope.Streent_Name,
Country: $scope.Country,
Post_Code: $scope.Post_Code,
Occupation: $scope.Occupation
};
myService.ApplicationDeatilsCheck(ApplicationDeatils).then(function (pl) {
console.log(pl.data)
if (pl.data) {
$scope.msg = "User information is correct !"
myService.ApplicationCreditScoreCheck(ApplicationDeatils1).then(function (p2) {
console.log(p2.data)
if (p2.data) {
$scope.msg = "We can offer you £6000";
}
else {
$scope.msg = "Application failed !";
console.log("Some error Occured" + err);
}
}, function (err) {
$scope.msg = "Application failed!";
console.log("Some error Occured" + err);
});
};
}
}]);
app.service("myService", function ($http) {
this.ApplicationDeatilsCheck = function (ApplicationDeatils) {
return $http.post("http://localhost:52098/HalifaxIISService.svc/CreateCurrentAccountCheck", JSON.stringify(ApplicationDeatils));
}
this.ApplicationCreditScoreCheck = function (ApplicationDeatils) {
return $http.post("http://localhost:52098/HalifaxIISService.svc/cheekCreditScore", JSON.stringify(ApplicationDeatils));
}
this.ApplicationCreditScoreCheck1 = function (ApplicationDeatils) {
return $http.post("http://localhost:52098/HalifaxIISService.svc/cheekCreditScore1", JSON.stringify(ApplicationDeatils));
}
this.ApplicationCreditScoreCheck2 = function (ApplicationDeatils) {
return $http.post("http://localhost:52098/HalifaxIISService.svc/cheekCreditScore2", JSON.stringify(ApplicationDeatils));
}
})
Here is the HTML CODE ..
#{
Layout = null;
}
<!DOCTYPE html>
<html ng-app="WebClientModule">
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
<script src="~/Scripts/angular.min.js"></script>
<script src="~/CreditCardApplicationScript/ApplicationCheck.js"></script>
</head>
<body >
<table id="tblContainer" data-ng-controller="Web_Client_Controller">
<tr>
<td></td>
</tr>
<tr>
<td>
<table style="border: solid 4px Red; padding: 2px;">
<tr>
<td></td>
<td>
<span>Tittle</span>
</td>
<td>
<input type="text" id="Tittle" data-ng-model="Tittle" required="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span>Fisrt Name</span>
</td>
<td>
<input type="text" id="first_name" required data-ng-model="First_Name" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span>Last Name</span>
</td>
<td>
<input type="text" id="last_name" data-ng-model="Last_Name" required="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span>Gender</span>
</td>
<td>
<input type="text" id="gender" required data-ng-model="Gender" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span>Date Of Brith</span>
</td>
<td>
<input type="text" id="dob" data-ng-model="DOB" required="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> Moblie/Telephone No</span>
</td>
<td>
<input type="text" id="mobile" required data-ng-model="Mobile" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> House No/Door No</span>
</td>
<td>
<input type="text" id="house_no" required data-ng-model="House_No" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> Streent Name</span>
</td>
<td>
<input type="text" id="streent_name" required data-ng-model="Streent_Name" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> Country</span>
</td>
<td>
<input type="text" id="country" required data-ng-model="Country" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> Post Code</span>
</td>
<td>
<input type="text" id="post_code" required data-ng-model="Post_Code" require="" />
</td>
</tr>
<tr>
<td></td>
<td>
<span> Occupation</span>
</td>
<td>
<input type="text" id="occupation" required data-ng-model="Occupation" require="" />
</td>
</tr>
<tr>
<td></td>
<td></td>
<td>
<input type="button" id="CeditCardApplication" value="CeditCardApplication" data-ng-click="CeditCardApplication()" />
</td>
</tr>
</table>
<div style="color: red;">{{msg}}</div>
</td>
</tr>
</table>
</body>
</html>
Here is the screen shot when i run the application ..

Missing a parenthesis on line 69 and a closing brace on line 71:
.controller('Web_Client_Controller', ["$scope", 'myService', function ($scope, myService) {
$scope.OperType = 1;
//1 Mean New Entry
//To Clear all input controls.
function ClearModels() {
$scope.OperType = 1;
$scope.Tittle = "";
$scope.First_Name = "";
$scope.Last_Name = "";
$scope.Gender = "";
$scope.DOB = "";
$scope.Mobile = "";
$scope.House_No = "";
$scope.Streent_Name = "";
$scope.Country = "";
$scope.Post_Code = "";
$scope.Occupation = "";
}
$scope.CeditCardApplication = function () {
var ApplicationDeatils = {
Tittle: $scope.Tittle,
First_Name: $scope.First_Name,
Last_Name: $scope.Last_Name,
Gender: $scope.Gender,
DOB: $scope.DOB,
Mobile: $scope.Mobile,
House_No: $scope.House_No,
Streent_Name: $scope.Streent_Name,
Country: $scope.Country,
Post_Code: $scope.Post_Code,
Occupation: $scope.Occupation
};
myService.ApplicationDeatilsCheck(ApplicationDeatils).then(function (pl) {
console.log(pl.data)
if (pl.data) {
$scope.msg = "User information is correct !"
myService.ApplicationCreditScoreCheck(ApplicationDeatils1).then(function (p2) {
console.log(p2.data)
if (p2.data) {
$scope.msg = "We can offer you £6000";
}
else {
$scope.msg = "Application failed !";
console.log("Some error Occured" + err);
}
}, function (err) {
$scope.msg = "Application failed!";
console.log("Some error Occured" + err);
});
};
}); <-- Missing parenthesis here.
}; <-- Missing brace here.
}]);

form validation javascript (error message showed and disappeared quickly)

i want to show the error messages next to the input element and if there's no error messages then send the data to the server (clear data from form) so fire the function on submit
http://codepen.io/anon/pen/RPNpNw
the problem is the error messages showed and disappeared quickly (blink)
but when change the input type to button
http://codepen.io/anon/pen/EjaZqe
will work but the data will be still in form and not cleared as input type="submit" will do
<!DOCTYPE html>
<html>
<head>
<title> </title>
</head>
<body>
<form>
<table style="width:50%;">
<tr>
<td>first name</td>
<td><input type="text" id="txtfname" /></td>
<td><span id="error"></span></td>
</tr>
<tr>
<td>age</td>
<td><input type="number" id="txtage" onblur="checkAge(txtage)" /></td>
<td><span id="errorage"></span></td>
</tr>
<tr>
<td>user name</td>
<td><input type="text" id="txtuser" /></td>
<td><span id="erroruser"></span></td>
</tr>
<tr>
<td>country</td>
<td>
<select onselect="checkSelect(this)" id="slct">
<option selected="selected" value="default">select your country</option>
<option>egypt</option>
<option>usa</option>
</select>
</td>
<td><span id="errorslct"></span></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="register" onclick="allvalidate()" /></td>
</tr>
</table>
</form>
<script>
function allvalidate() {
validate();
checkAge(txtage);
checkuser(txtuser);
checkSelect(this);
}
function validate() {
var txtf = document.getElementById('txtfname');
if (txtf.value == 0 || txtf.value == null) {
document.getElementById('error').innerText = ('you must enter firstname');
document.getElementById('error').style.color = 'red';
txtf.focus();
return false;
}
else {
document.getElementById('error').innerText = ('');
//return true;
}
}
function checkAge(input) {
if (input.value < 18 || input.value > 70) {
document.getElementById('errorage').innerText = ('age must be from 18 :70');
document.getElementById('errorage').style.color = 'red';
return false;
}
else {
document.getElementById('errorage').innerText = ('');
return true;
}
}
function checkuser(input) {
var pattern = '^[a-zA-Z]+$';
if (input.value.match(pattern)) {
document.getElementById('erroruser').innerText = '';
return true;
}
else {
document.getElementById('erroruser').innerText = ('enter valid email');
document.getElementById('erroruser').style.color = 'red';
return false;
}
}
function checkSelect() {
var select=document.getElementById('slct')
if (select.value=='default') {
document.getElementById('errorslct').innerText = ('you must choose country');
document.getElementById('errorslct').style.color = 'red';
return false;
}
else {
document.getElementById('errorslct').innerText = '';
return true;
}
}
</script>
</body>
</html>

Change
<td><input type="submit" value="register" onclick="allvalidate()" /></td>
To:
<td><input type="submit" value="register" onclick="return allvalidate()" /></td>
Otherwise the boolean value is discarded. You also need to change allvalidate to actually return false if one of the validations fail:
function allvalidate() {
var validated = true;
if (!validate()) validated = false;
if (!checkAge(txtage)) validated = false;
if (!checkuser(txtuser)) validated = false;
if (!checkSelect(this)) validated = false;
return validated;
}

<tr>
<td></td>
<td><input type="submit" value="register" onclick="allvalidate()" /></td>
</tr>
well, I'm not expert but what I think is that data is not sending, you need to call the function on onsubmit event, instead of calling it on onclick event. It would send the data as well.

Value passed from textbox to textarea is automatically deleted

I am trying to pass a value entered in a textbox to a text area. However when I run my code the value appears in the textarea and it disapears.
Html code:
Customer Name
<input type="text" id="name1TXT" />
<textarea rows="6" cols="50" id="productList">
</textarea>
Javascript:
function transferData() {
var customer = document.getElementById("name1TXT").value;
if (customer != "")
document.getElementById('productList').value += customer + ","
document.getElementById('name1TXT').value = "";
}
Does anyone know why this would happen?
Edit
Here is all of my code.
<!DOCTYPE html>
<title></title>
<style>
.calcFrm {
}
</style>
<table style="width:300px;" border="1">
<tr>
<td>Customer Name</td>
<td><input type="text" id="name1TXT" /></td>
</tr>
<tr>
<td>Coating</td>
<td>
<select class="coating1DDL">
<option value="1">Galvanized</option>
<option value="2">Powder Coat</option>
<option value="3">None</option>
</select>
</td>
</tr>
<tr>
<td>Weight</td>
<td><input type="text" id="weight1TXT" onkeyup="sum1();"/></td>
</tr>
<tr>
<td>Length</td>
<td><input type="text" id="length1TXT" onkeyup="sum1();"/></td>
</tr>
<tr>
<td>Pieces</td>
<td><input type="text" id="pcs1TXT" onkeyup="sum1();"/></td>
</tr>
<tr>
<td>Pounds</td>
<td><input type="text" id="pounds1TXT" onkeyup="sum1();"readonly="readonly" /></td>
</tr>
<tr>
<td>Tons</td>
<td><input type="text" id="tons1TXT" onkeyup="convertPounds1();" readonly="readonly" /></td>
</tr>
</table>
<table style="width:300px;" border="1" class="tonsFrm2">
<tr>
<td>Customer Name</td>
<td><input type="text" id="name2TXT" /></td>
</tr>
<tr>
<td>Coating</td>
<td>
<select class="coating2DDL">
<option>Galvanized</option>
<option>Powder Coat</option>
<option>None</option>
</select>
</td>
</tr>
<tr>
<td>Weight</td>
<td><input type="text" id="weight2TXT" onkeyup="sum2();"/></td>
</tr>
<tr>
<td>Length</td>
<td><input type="text" id="length2TXT" onkeyup="sum2()"/></td>
</tr>
<tr>
<td>Pieces</td>
<td><input type="text" id="pcs2TXT" onkeyup="sum2();"/></td>
</tr>
<tr>
<td>Pounds</td>
<td><input type="text" id="pounds2TXT" readonly="readonly" onkeyup="sum2();" /></td>
</tr>
<tr>
<td>Tons</td>
<td><input type="text" id="tons2TXT" readonly="readonly" onkeyup="convertPounds2();" /></td>
</tr>
</table>
<table style="width:300px;" border="1" class="tonsFrm3">
<tr>
<td>Customer Name</td>
<td><input type="text" id="text3TXT" /></td>
</tr>
<tr>
<td>Coating</td>
<td>
<select class="coating3DDL">
<option>Galvanized</option>
<option>Powder Coat</option>
<option>None</option>
</select>
</td>
</tr>
<tr>
<td>Weight</td>
<td><input type="text" id="weight3TXT" onkeyup="sum3();"/></td>
</tr>
<tr>
<td>Length</td>
<td><input type="text" id="length3TXT" onkeyup="sum3();"/></td>
</tr>
<tr>
<td>Pieces</td>
<td><input type="text" id="pcs3TXT" onkeyup="sum3();"/></td>
</tr>
<tr>
<td>Pounds</td>
<td><input type="text" id="pounds3TXT" readonly="readonly" onkeyup="sum3();"/></td>
</tr>
<tr>
<td>Tons</td>
<td><input type="text" id="tons3TXT" readonly="readonly" onkeyup="convertPounds3();" /></td>
</tr>
</table>
<button onclick="transferData()">Submit</button>
<button type="reset" value="Reset">Reset</button>
<button type="button">Add New Form</button>
<br />
Pounds Total
<input type="text" id="TotalPoundsTxt" readonly="readonly" onkeyup="totalPounds();" />
Tons Total
<input type="text" id="TotalTonsTXT" readonly="readonly" onkeyup="totalTons();" />
<br />
<textarea rows="6" cols="50" id="productList">
</textarea>
<br />
<button type="button">Save Input</button>
Javascript:
//number correlate with form in order
//functions for first form
function sum1() {
var txtFirstNumberValue = document.getElementById('weight1TXT').value;
var txtSecondNumberValue = document.getElementById('length1TXT').value;
var txtThirdNumberValue = document.getElementById('pcs1TXT').value;
var result = parseInt(txtFirstNumberValue) * parseInt(txtSecondNumberValue) * parseInt(txtThirdNumberValue);
if (!isNaN(result)) {
document.getElementById('pounds1TXT').value = result;
}
}
function convertPounds1() {
var txtFirstNumberValue = document.getElementById('pounds1TXT').value;
var result = parseInt(txtFirstNumberValue) / 2000;
if (!isNaN(result)) {
document.getElementById('tons1TXT').value = result;
}
}
function galvCalc1() {
var galvOption = document.getElementById('').value
}
//functions for second form
function sum2() {
var txtFirstNumberValue = document.getElementById('weight2TXT').value;
var txtSecondNumberValue = document.getElementById('length2TXT').value;
var txtThirdNumberValue = document.getElementById('pcs2TXT').value;
var result = parseInt(txtFirstNumberValue) * parseInt(txtSecondNumberValue) * parseInt(txtThirdNumberValue);
if (!isNaN(result)) {
document.getElementById('pounds2TXT').value = result;
}
}
function convertPounds2() {
var txtFirstNumberValue = document.getElementById('pounds2TXT').value;
var result = parseInt(txtFirstNumberValue) / 2000;
if (!isNaN(result)) {
document.getElementById('tons2TXT').value = result;
}
}
//Functions for third form
function sum3() {
var txtFirstNumberValue = document.getElementById('weight3TXT').value;
var txtSecondNumberValue = document.getElementById('length3TXT').value;
var txtThirdNumberValue = document.getElementById('pcs3TXT').value;
var result = parseInt(txtFirstNumberValue) * parseInt(txtSecondNumberValue) * parseInt(txtThirdNumberValue);
if (!isNaN(result)) {
document.getElementById('pounds3TXT').value = result;
}
}
function convertPounds3() {
var txtFirstNumberValue = document.getElementById('pounds3TXT').value;
var result = parseInt(txtFirstNumberValue) / 2000;
if (!isNaN(result)) {
document.getElementById('tons3TXT').value = result;
}
}
function totalPounds(){
var firstpoundvalue = document.getElementById('pounds1TXT').value;
var secondpoundvalue = document.getElementById('pounds2TXT').value;
var thirdpoundvalue = document.getElementById('pounds3TXT').value;
var result = parseInt(firstpoundvalue) + parseInt(secondpoundvalue) + parseInt(thirdpoundvalue);
if (!isNaN(result)) {
document.getElementById('TotalPoundsTxt').value = result;
}
}
function totalTons() {
var firsttonvalue = document.getElementById('tons1TXT').value;
var secondtonvalue = document.getElementById('tons2TXT').value;
var thirdtonvalue = document.getElementById('tons3TXT').value;
var result = parseInt(firsttonvalue) + parseInt(secondtonvalue) + parseInt(thirdtonvalue);
if (!isNaN(result)) {
document.getElementById('TotalTonsTXT').value = result;
}
}
function transferData() {
var customer = document.getElementById("name1TXT").value;
if (customer != "")
document.getElementById('productList').value += customer + ",";
}
</script>

I cannot comment but I created as JSBin and seems to be working. I wasn't for sure how you are calling the transferData function to see the textarea clear so I just added an onBlur event to the input textbox.
I also added a semicolon to the line clearing the name1TXT value.
I still think everything is working regarding your code. By that I mean there aren't any odd bugs. But what exactly are you trying to accomplish? There appears to be 3 Customer Name boxes but when you click submit only 1 is being output into the textarea. It only grabs Customer1 and puts his/her name into the textarea and this process is repeating with each Submit. Are you trying to add all 3 customers? If so, then you will need more logic in your transferData function

you should use value like this
document.getElementById("writeArea").value = txt;
or like this in jQuery:
$('#myTextarea').val('');

We Keep Coding

JavaScript is the programming language of the Web.

How to prevent insert a duplicate record in Angularjs - javascript

You can use filter here inorder to check for duplicates var filtered= $filter('filter')($scope.contracts, function(value){ return value.Staff_Type_Code === Contract.Staff_Type_Code ; }); if(filtered.length > 0){ console.log("duplicate exists"); }

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Value passed from textbox to textarea is automatically deleted

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