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AJAX appending results duplicates

I'm developing a live search function in a Laravel application, but I'm having some problems because i'm getting duplicate appends, for example I type in "Andrew".
Every key I hit starting with "A" until "W", im appending the results over and over, so Andre creates 6 table rows, but I want it to be only one.
The second problem is that if I delete all the input, I'm trying to show my "initial_table", but that doesn't work.
I tried changing $('#ajax').append(row); from append to html, but then I have only one result no matter how many matches I get.
<table id="usertable">
<thead>
<tr>
<th>Name</th>
<th>Tier</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Name</th>
<th>Tier</th>
</tr>
</tfoot>
<tbody id="ajax">
{{-- search results here --}}
</tbody>
<tbody id="initial_table">
#foreach ($users as $user)
<tr>
<td>{{$user->username}} </td>
<td>{{$user->tier}}</td>
</tr>
#endforeach
</tbody>
</table>
This is my Javascript
<script>
});
// })
document.getElementById("search").addEventListener("keyup", searchUsers);
document.getElementById("search").addEventListener("change", searchUsers);
function searchUsers(){
if(this.value != '') {
$.ajax({
url: '/admin/searchUsers?search=' + this.value,
method: 'GET'
}).done(function(response){
console.log(typeof response);
console.log(response);
if(response.length < 1) {
$('#ajax').append('<span class="text-center">No results found!</span>');
$('#initial_table').hide();
}
else {
$.each(response, function(index, obj){
var row = $('<tr>');
row.append('<td> <a href="/admin/user/' + obj.id + '">' + obj.username + ' AJAX' + '</td>');
row.append('<td>' + obj.tier + '</td>');
$('#ajax').append(row);
$('#initial_table').hide();
});
}
});
}
}
</script>

Tried to add some comments to explain . Hope it helps
document.getElementById("search").addEventListener("keyup", searchUsers);
document.getElementById("search").addEventListener("change", searchUsers);
function searchUsers(){
if((this.value.trim()) != '') // even for extra space it should not allow in
{
$.ajax({
url: '/admin/searchUsers?search=' + this.value,
method: 'GET'
}).done(function(response)
{
console.log(typeof response);
console.log(response);
$('#ajax').empty(); //for 1st query :-on every ajax call it will first empty "#ajax" tbody
$('#initial_table').hide();
if(response.length < 1)
{
$('#ajax').append('<span class="text-center">No results found!</span>');
}
else
{
$.each(response, function(index, obj)
{
var row = $('<tr>');
row.append('<td> <a href="/admin/user/' + obj.id + '">' + obj.username + ' AJAX' + '</td>');
row.append('<td>' + obj.tier + '</td>');
$('#ajax').append(row);
});
}
});
}else // for 2nd query :- your code missing this part to show initial tbody if search text is all blank
{
$('#initial_table').show();
$('#ajax').hide();
}
}

Display table on button click using ajax

I have a page that looks like this:
"Default List Name" is the name of the current page displayed. There are two buttons below and then a table which is the Default List table. Once I click Btn1, it will just re-display the default list table, but when I click Btn2, another table will be displayed, replacing the default list table. Let's call the second table "Second List". Once the table changes, the title "Default List Name" will also change to "Second List Name".
I am going to use AJAX for this so that real time button click and displaying of the corresponding table are applied. But I am still new to AJAX so I am having quite a hard time.
Here's my current code:
var title = $("#title").text();
var btn1 = $("#btn1");
var btn2 = $("#btn2");
/** If one of the buttons is clicked after another and then displays a table, the previous ajax that displayed the previous table, will be removed **/
$(document).ready(function() {
btn1.on("click", function() {
displayDefaultList();
});
btn2.on("click", function() {
displaySecondList();
});
});
function displayDefaultList(){
console.log("display default list table");
/*$.ajax({
type: 'GET',
dataType: 'json',
cache: false,
url: 'url to current page (not sure)',
async: false
}).*/
}
function displaySecondList(){
console.log("display second list table");
}
I hope I'm making my self clear and hope you guys can help me.

I just wrote this for you just to show you that you can always show and hide your tables
$(document).ready(function(){
$("#mytable1").show();
$("#mytable2").hide();
$("#button1").click(function(){
$("#text").html("Default List Name");
$("#mytable2").hide();
$("#mytable1").show();
});
$("#button2").click(function(){
$("#mytable1").hide();
$("#mytable2").show();
$("#text").html("Second List Name");
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<div id = "text">Default List Name</div>
<button id = "button1">Button1</button>
<button id = "button2">Button2</button>
<table id = "mytable1" border = "1">
<tr>
<td>text1</td>
<td>text1</td>
<td>text1</td>
</tr>
<tr>
<td>text2</td>
<td>text2</td>
<td>text2</td>
</tr>
<tr>
<td>text3</td>
<td>text3</td>
<td>text3</td>
</tr>
<tr>
<td>text4</td>
<td>text4</td>
<td>text4</td>
</tr>
</table>
<br/>
<table id = "mytable2" border = "1">
<tr>
<td>box1</td>
<td>box1</td>
<td>box1</td>
</tr>
<tr>
<td>box2</td>
<td>box2</td>
<td>box2</td>
</tr>
<tr>
<td>box3</td>
<td>box3</td>
<td>box3</td>
</tr>
<tr>
<td>box4</td>
<td>box4</td>
<td>box4</td>
</tr>
</table>
NOW for your ajax, you should just simply hide one of the tables based on the button that was clicked, and then load the data to your specific table. This works for me. Hope it helps :)
Here's AJAX:
$(document).ready(function(){
$("#button1").click(function(){
$("#mytable2").hide();
$.ajax({
url:'app.php',
type: "GET",
data: ""
dataType: 'json',
success: function(data){
$.each(data, function(key, value){
$("table #mytable1").append("<tr><td>" +
"ID :" + value.ID +
"Name :"+ value.Name +
"Age :" + value.Age +
"</td><tr>");
.........
});
}
});
});
$("#button2").click(function(){
$("#mytable1").hide();
$.ajax({
url:'app.php',
type: "GET",
data: ""
dataType: 'json',
success: function(data){
$.each(data, function(key, value){
$("table #mytable2").append("<tr><td>" +
"ID :" + value.ID +
"Name :"+ value.Name +
"Age :" + value.Age +
"</td><tr>");
.........
});
}
});
});
});

I created this fiddle for you: https://jsfiddle.net/8bakcfub/.
Basically, each button click will simulate a call to an API that returns a very simple JSON object. On success, the code parses the response, empties the table and appends a new row to it with the data, and finally changes the title.
Note that the code is pretty much the same for both buttons, except for (a) the JSON returned from AJAX, and (b) the title :)
HTML:
<p id="title">
This title will be replaced...
</p>
<button id="btn1">
First list
</button>
<button id="btn2">
Second list
</button>
<table id="table">
<thead>
<th>Col 1</th>
<th>Col 2</th>
</thead>
<tbody>
</tbody>
</table>
JS:
var btn1 = $("#btn1");
var btn2 = $("#btn2");
$(document).ready(function() {
btn1.on("click", function() {
displayDefaultList();
});
btn2.on("click", function() {
displaySecondList();
});
});
function displayDefaultList() {
$.ajax({
type: 'POST',
dataType: 'json',
url: '/echo/json/',
async: false,
data: {
json: JSON.stringify({
row: [1, 2]
})
},
success: function(result) {
$('#title').text('first list');
$('#table tbody').remove();
var newRow = '<tbody><tr><td>' + result.row[0] + '</td></tr><tr><td>' + result.row[1] + '</td></tr></tbody>';
$('#table').append(newRow);
}
});
}
function displaySecondList() {
$.ajax({
type: 'POST',
dataType: 'json',
url: '/echo/json/',
async: false,
data: {
json: JSON.stringify({
'row': [3, 4]
})
},
success: function(result) {
$('#title').text('second list');
$('#table tbody').remove();
var newRow = '<tbody><tr><td>' + result.row[0] + '</td></tr><tr><td>' + result.row[1] + '</td></tr></tbody>';
$('#table').append(newRow);
}
});
}

Generate table in success ajax MVC

I need generate table in success ajax and draw in html. But I dont know how can I fill my table. I try this, but nothing draw.
$.ajax({
url: '/Private/Index',
method: 'POST',
dataType: "json",
data: $(addNewEduForm).serialize() + '&' + $.param(mm),
traditional: true,
success: function (selected) {
$('#your-modal').modal('toggle');
var row = $('<tr>');
for (var i = 0; i < selected.length; i++) {
row.append($('<td>').html(selected[i]));
}
$('#results').append(row);
},
error: function (error) {
}
});
My console.log(selected) :
PICTURE
And my html, where I need draw the table:
<table class="table_blur">
<tr>
<th>Date</th>
<th>Event</th>
<th>First</th>
</tr>
</table>
As result I need :
<th>Date</th><th>Event</th><th>FirstTeam</th>
<DateFromSelected><EventFrom Selected><FirstTeam>

You need that your code looks like that, for example you need show DateofEvent and FirstTeam.
HTML CODE
<table id="results">
<thead>
<tr>
<td>DateofEvent</td>
<td>FirstTeam</td>
</tr>
</thead>
<tboby>
</tbody>
</table>
JS CODE
$.ajax({
url: '/Private/Index',
method: 'POST',
dataType: "json",
data: $(addNewEduForm).serialize() + '&' + $.param(mm),
traditional: true,
success: function (selected) {
$('#your-modal').modal('toggle');
var row = $('<tr>');
for (var i = 0; i < selected.length; i++) {
row.append($('<td>').html(selected[i].DateofEvent));
row.append($('<td>').html(selected[i].FirstTeam));
}
$('#results').append(row);
},
error: function (error) {
}
});
*remember that you return a collection of objects and you access them by name.

How do you transfer data from a table to a server?

I am trying to fetch data from a table and push the selected data to my server.
I have tried selecting columns from my table then making an HTTP request, but it didn't work.
Can anyone help me?

This is my understanding
here is a procedure if you like to do
insert all you desire record set into an array
make a json using json_encode() method of php.
use curl post request and pass the json string

Here's an example of how to pull data from a HTML table, put it into a javascript array, convert it to json and send it to the server
https://jsfiddle.net/f958qokn/
<table id="MyTable">
<tr>
<td>1</td>
<td>Code Monkey</td>
</tr>
<tr>
<td>2</td>
<td>Code Elephpant</td>
</tr>
</table>
<input id="PostTableData" type="button" value="Post Table Data"/>
<script type="text/javascript">
$(document).ready(function() {
$( "#PostTableData" ).on( "click", function() {
var TableData = [];
$("#MyTable tr").each(function() {
var RowData = [];
var ColumnsData = $(this).find('td');
if (ColumnsData.length > 0) {
ColumnsData.each(function() { RowData.push($(this).text()); });
TableData.push(RowData);
}
});
alert(JSON.stringify(TableData));
jQuery.ajax({
type: 'POST',
url: "/SaveData.php",
data: JSON.stringify(TableData),
dataType: "json",
success: function(data){ alert(data); }
});
});
});
</script>

how to load all matching data row for selected dropdown values ajax

i have dropdown boxes for user_id and er and once both selected i want to load all the data as rows. please advice.
below is my controller
$getShifts = Shifts::Where('user_id','=',$user_id)->Where('week_id','=',$week)->get();
how can i proceed
table
<table class="table table-hover">
<tr class="table-header">
<th>Day</th>
<th>Date</th>
<th>Start</th>
<th>End</th>
<th>Total
<br/> Hours
</th>
<th>Run
<br/> Type
</th>
<th>Edit
<br/> / Delete
</th>
</tr>
EDIT
plese check below code which i have tried
success: function(data) {
var json_obj = $.parseJSON(data);//parse JSON
var output="<tr>";
for (var i in json_obj)
{
output+=
"<td>" + json_obj[i].id + "</td>"+
"<td>" + json_obj[i].bus_no + "</td>"+
"<td>" + json_obj[i].shift_no + "</td>"
;
}
output+="</tr>";
$('#span').html(output);
}

You should call your controller function in ajax and in controller you will get the selected data, so based on that run required query.
$(document).ready(function() {
$("#combo, #user_id").change(function(){
var combo = $('#combo option:selected').val();
var user_id = $('#user_id option:selected').val();
if(combo && user_id) {
$.ajax({
url: "path to controller function",
type: "POST",
dataType: "HTML",
async: false,
data:{combo:combo.user_id:user_id},
success: function(data) {
alert(data) // here you ll see the data from controllen, you can manipulate according to your requirement.
}
});
}
});
});
in controller
echo "
<tr>
<td>$day</td>
<td>$date</td>
<td>$start</td>
<td>$end</td>
<td>$end</td>
<td>$end</td>
</tr> ";
manipulate all fields in to a tr in controller and in ajax success() append the data to table.