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Uncaught ReferenceError: text is not defined in my javascript

I am trying to submit to a database, using php and jquery (see code snippet below).
<script>
$(document).ready(function() {
$('#butsave').on('click', function() {
$("#butsave").attr("disabled", "disabled");
var idno = $('#idno').val();
if(idno!=""){
$.ajax({
url: "common/register-details.php",
type: "POST",
data: {
name: idno
},
cache: false,
success: function(dataResult){
var obj = JSON.parse(text);
var dataResult = JSON.parse(dataResult);
if(dataResult.statusCode==200){
$("#butsave").removeAttr("disabled");
$('#register-id').find('input:text').val('');
$("#success").show();
$('#success').html('Data added successfully !');
}
else if(dataResult.statusCode==201){
alert("Error occured !");
}
}
});
}
else{
alert('Please fill all the field !');
}
});
});
</script>
However i get the following error
ReferenceError: text is not defined
When I use php with no jquery it works. Could anybody please tell me what the error could be?

you are doing var obj = JSON.parse(text);, there is no text.

Remove this line
var obj = JSON.parse(text);
as there is no text variable declared.
This will solve your issue.
Still your program not work then put your HTML code clock, php code block and javascript/jquery code block in question.

how can I trigger javascript css action?

I have a memory game code, using javascript, php and css.
I would like to register somehow the event when the game is finished by php so that I can save the results in database.
In other words I would like to place php code inside <div id="player_won"> </div> and trigger that winning event properly.
css
#player_won{
display: none;
}
javascript
$(document).ready(function(){
$(document).bind("game_won", gameWon);
}
function gameWon(){
$.getJSON(document.location.href, {won: 1}, notifiedServerWin);
var $game_board = $("#game_board");
var $player_won = $("#player_won");
$game_board.hide();
$player_won.show();
$game_board = $player_won = null;
};

You'll want to create an ajax call that sends some information from the page and tells the php file below if the player has won or lost. After which you can deal with the logic needed for the player inside foo.php and send back Json to the success function inside the ajax call and update your page accordingly.
index
$(document).ready(function () {
//look for some kind of click below
$(document).on('click', '#SomeId', function () {
//Get the information you wish to send here
var foo = "test";
$.ajax({
url: "/foo.php",
type: 'POST',
cache: false,
data: {Info: foo},
dataType: 'json',
success: function (output, text, error)
{
//here is where you'll receive the son if successfully sent
if(ouput.answer === "yes"){
$("#player_won").show();
} else {
// Do something else
}
},
error: function (jqXHR, textStatus, errorThrown)
{
//Error handling for potential issues.
alert(textStatus + errorThrown + jqXHR);
}
})
})
});
foo.php
<?php
if(isset($_POST['Info'])){
//figure out if what was sent is correct here.
if($_POST['Info'] === "test"){
$data['answer'] = "yes";
echo json_encode($data);
exit;
} else {
// do something else
}
}
?>

AJAX in WordPress only returns 0

I'm trying to utilize WordPress's admin-ajax feature in order to build a dynamic admin panel option-set for a plugin. Essentially, once an option is selected from a dropdown (select/option menu), PHP functions will sort through and display more dropdown menus that fall under the dropdown above it. I began with a simple return that I was hoping to utilize later down the line, but I can't seem to get the text to print out without running into unidentified issues.
The AJAX I set up puts out a 200 status but the response never builds, and I'm left with 0 as my result. Here's the code:
JS/jQuery built into PHP function ajax-action()
$ = jQuery;
$('#platform').change(function(e) {
var data = {
action: 'action_cb',
type: 'POST',
dataType: 'json',
error: function(XMLHttpRequest, textStatus, errorThrown) {
console.log(errorThrown);
},
success: function(response) {
$('#user_id').val(response);
}
};
$.ajax(ajaxurl, data, function(data) {
$('#user_id').val(data);
});
e.preventDefault();
});
PHP functions and add-actions
add_action('wp_ajax_action_cb','action_cb');
add_action('admin_footer','ajax_action');
function action_cb() { $platform = 'test'; echo json_encode($platform); wp_die(); };
My question is: how can I fix this and prevent it from continuing to happen? I'd like to return the actual results and not 0.

As per the wordpress documentation:
https://codex.wordpress.org/AJAX_in_Plugins (Reference "Error Return Values")
A 0 is returned when the Wordpress action does not match a WordPress hook defined with add_action('wp_ajax_(action)',....)
Things to check:
Where are you defining your add_action('wp_ajax_action_cb','action_cb');?
Specifically, what portion of your plugin code?
Are you logged into wordpress? You mentioned the admin area, so I'm assuming so, but if you are not, you must use add_action('wp_ajax_nopriv_{action}', ....)
Additionally, you didn't share the function this is tied to:
add_action('admin_footer','ajax_action');
And lastly, why are you using "json" as the data type? If you are trying to echo straight HTML, change data type to 'html'. Then you can echo directly on to page (or as a value as you are doing). Currently, you are trying to echo a JSON object as a value in the form...
So your code would look like so:
function action_cb() { $platform = 'test'; echo $platform; p_die(); };
...and your AJAX could be:
<script type = "text/javascript">
jQuery.ajax({
url: ajaxurl,
type: 'post',
data: {'action' : 'action_cb'},
success: function (data) {
if (data != '0' && data != '-1') {
{YOUR SUCCESS CODE}
} else {
{ANY ERROR HANDLING}
}
},
dataType: 'html'
});
</script>
Try This:
<script>
$ = jQuery;
$('#platform').change(function(e) {
var data = {
data: {'action' : 'action_cb'},
type: 'POST',
dataType: 'json',
error: function(XMLHttpRequest, textStatus, errorThrown) {
console.log(errorThrown);
},
success: function(response) {
$('#user_id').val(response);
}
};
$.ajax(ajaxurl, data, function(data) {
$('#user_id').val(data);
});
e.preventDefault();
});
</script>

Probably you need to add
add_action('wp_ajax_nopriv_action_cb', 'action_cb');
https://codex.wordpress.org/Plugin_API/Action_Reference/wp_ajax_(action)

just make small change in your AJAX. I am assuming you're logged in as admin.
replace action in data object with data:"action=action_cb",
var data = {
data:"action=action_cb",
type: 'POST',
dataType: 'json',
error: function(XMLHttpRequest, textStatus, errorThrown) {
console.log(errorThrown);
},
success: function(response) {
$('#user_id').val(response);
}
};
$.ajax(ajaxurl,data,function(data){
$('#user_id').val(data);
});

To prevent WP adding zero into response i always using die(); insted of wp_die();
and registering function:
add_action( 'wp_ajax_action_cb', 'action_cb_init' );
add_action( 'wp_ajax_nopriv_action_cb', 'action_cb_init' );
function action_cb_init() {
}
When calling to function with AJAX use action: 'action_cb'

Hope this helps. I have already explained standard way of using ajax in wp.
Wordpress: Passing data to a page using Ajax

Ok, I have been recreating your code now in my own project and noticed that the javascript you shared returned the ajax-object and not the results. So what I come up with is a bit rewriting, but is worked fine when I tried it.
$j = jQuery.noConflict();
$j('#platform').change(function(e) {
$j.ajax({
url: ajaxurl,
type: 'POST',
dataType: 'json',
data: {
action: 'action_cb',
}
}).done(function( data ) {
// When ajax-request is done.
if(data) {
$j('#user_id').val(data);
} else {
// If 0
}
}).fail(function(XMLHttpRequest, textStatus, errorThrown) {
// If ajax failed
console.log(errorThrown);
});
e.preventDefault();
});
I hope the comments explain good enough how it is working. Note how I'm using $j instead of just $ for the jQuery.noConflict mode.

For those by the "Load More" problem.
Normally "0" is used instead of false.
I found such a solution.
So that 0 does not come. Try this code with false.
PHP
ob_start(); // start the buffer to capture the output of the template
get_template_part('contents/content_general');
$getPosts[] = ob_get_contents(); // pass the output to variable
ob_end_clean(); // clear the buffer
if( $read == $articles->found_posts )
$getPosts[] = false;
JS
if( posts[i] == false )
$(".load_more_button").fadeOut();

Uncaught SyntaxError: Unexpected token : Can't resolve

I keep on getting a syntax error in the console that I can't seem to resolve. When i copy and paste the link to the browser, it works just fine. Could someone help? I looked at the other threads and retyped the link in case there was a hidden character, but that didn't solve the issue.
function searchHotwire(city){
console.log(city);
var hotwireURL1 = "http://api.hotwire.com/v1/search/hotel?apikey={keyRemoved}&format=json&dest=";
var hotwireSearchURL1 = hotwireURL1 + city;
var hotwireURL2 = "&rooms=1&adults=1&children=0&startdate=10/20/2015&enddate=10/21/2015";
var hotwireSearchURL2 = hotwireSearchURL1 + hotwireURL2;
$.ajax({
url: hotwireSearchURL2,
type: "GET",
dataType: "jsonp",
error: function(data){
console.log("We got a problem");
console.log(hotwireSearchURL2);
console.log(data);
},
success: function(data){
console.log(hotwireSearchURL2);
console.log(data);
}
});
}
$(document).ready( function(){
$("#theButton").click( function(){
console.log("you clicked");
var theCityValue = $("#destination").val();
console.log(theCityValue);
searchHotwire(theCityValue);
});
});

So you tell the jQuery Ajax call it is "JSONP" and you are requesting "format=json" from the api.

Cannot write in text box while it's autosaving using tinymce-4 plugin

I am using a plugin to autosave a textbox. However, when the autosave function is called, the text box cannot be typed into. I want users to be able to continue typing while the auto save is posted via AJAX.
tinymce.PluginManager.add('jsave', function(editor) {
// Get the form element into a jQuery object.
var $form = $(editor.formElement);
// Settings for initialization.
var settings = {
// Interval to execute the function. Default is 15000 (ms 1000 = 1 second).
//seconds: editor.getParam('jsave_seconds') || 2000,
seconds: 2000,
// This is our url that we will send data. If you want to have two different links,
// one for ajax and one for manual post this setting is pretty useful!
url: editor.getParam('jsave_url') || $form.attr('action'),
// This is the callback that will be executed after the form is submitted
callback: editor.getParam('jsave_callback')
};
$('.form_header,#attachbox').change(function (){
tinymce.get('mail_body').isNotDirty=0;
$("#save_status").html("Not saved");
});
var interval = setInterval(function() {
// Quit the function if the editor is not dirty.
if (!editor.isDirty()){
return;
}
// Update the original textarea
editor.save();
// Create a data string from form elements.
ds =$form.serialize();
// $form.find(':input').each(function (i, el) {
// $el = $(el);
// if($el.attr('name')!=null)
// ds[$el.attr('name')] = $el.val(); }
// );
$("#save_status").html("Saving");
$.ajax({
url: settings.url,
type: $form.attr('method'),
data: ds,
dataType:"json",
async:false,
success: function(msg) {
if (settings.callback){
//editor.setContent(msg.draft_body);
$("#save_status").html("Saved");
settings.callback(msg);
}
else{
$("#save_status").html("Saving error");
console.log(msg);
}
}
});
}, settings.seconds);
}); //vsk.me/en/28/adding-an-autosave-plugin-to-tinymce-2#sthash.jsOruJSd.dpuf

I have solved this problem:
just change form async:false, to async:true, in ajax calling part.
$.ajax({
url: settings.url,
type: $form.attr('method'),
data: ds,
dataType:"json",
async:true,
success: function(msg) {
if (settings.callback){
//editor.setContent(msg.draft_body);
$("#save_status").html("Saved");
settings.callback(msg);
}
else{
$("#save_status").html("Saving error");
console.log(msg);
}
}
});

Why don't you just disable it while doing the ajax call and enable again on ajax call ends?
You have a reference to enable/disable the field via JavaScript here:
make readonly/disable tinymce textarea
That way you could use the complete attribute on your Ajax call to enable the field again after either succes or error response like this:
var interval = setInterval(function() {
// Quit the function if the editor is not dirty.
if (!editor.isDirty()){
return;
}
// Update the original textarea
editor.save();
// Create a data string from form elements.
ds =$form.serialize();
$("#save_status").html("Saving");
tinyMCE.get('textarea_id').getBody().setAttribute('contenteditable', false);
$ajax({
url: settings.url,
type: $form.attr('method'),
data: ds,
dataType:"json",
async:false,
success: function(msg) {
if (settings.callback){
//editor.setContent(msg.draft_body);
$("#save_status").html("Saved");
settings.callback(msg);
}
else{
$("#save_status").html("Saving error");
console.log(msg);
}
},
error:function(){
//DO ERROR STUFF
},
complete:function(){
tinyMCE.get('textarea_id').getBody().setAttribute('contenteditable', true);
}
});