Cordova Ajax call throwing net::ERR_SPDY_PROTOCOL_ERROR - javascript

I have two Ajax calls but one of the Ajax calls are returning net::ERR_SPDY_PROTOCOL_ERROR.
The Ajax call urls are coming from WordPress Woocommerce RestApi.
When I run chrome in mode - chrome.exe --user-data-dir="C:/Chrome dev session" --disable-web-security - the error disappears and everything is working correctly.
Error
Ajax call that is not working:
$.ajax({
url: "https://krii.000webhostapp.com/wp-json/wc/v2/products/categories?per_page=99",
success: function(json){
console.log("Success", json);
$.each(json, function (index, categories) {
//console.log(categories);
catego.push({Cat_Name: categories.name});
//console.log(catego);
$('select#categories2').append('<option data-id="> categories.id">'+categories.name+'</option>');
});
},
error: function (XMLHttpRequest, textStatus, errorThrown){
console.log(textStatus,errorThrown)
},
beforeSend: function (xhr) {
xhr.setRequestHeader('Authorization', 'Basic ' + btoa('ck_...:cs_...'));
},
type: 'GET',
contentType: 'json'
});
Ajax call that is working:
$.ajax({
url: "https://..../wp-json/wc/v2/products/categories?per_page=99",
success: function(json){
console.log("Success", json);
$.each(json, function (index, categories) {
//console.log(categories);
catego.push({Cat_Name: categories.name});
//console.log(catego);
$('select#categories').append('<option data-id="> categories.id">'+categories.name+'</option>');
});
},
error: function (XMLHttpRequest, textStatus, errorThrown){
console.log(textStatus,errorThrown)
},
beforeSend: function (xhr) {
xhr.setRequestHeader('Authorization', 'Basic ' + btoa('ck_...:cs_...'));
},
type: 'GET',
contentType: 'json'
});
How exactly I can fix this, cause it does not work on mobile device.

This error ERR_SPDY_PROTOCOL_ERROR is found in Google chrome. With latest updates of google chrome it is depracted. This protocol was added for faster web load and security. You can learn more from how-to-fix-err_spdy_protocol_error-in-google-chrome-2019

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But when I'm making an ajax call to this same URL, I'm not getting the json in my response. My ajax request is as follows:
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Would you mind trying this:
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console.log(status);
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So, what I do wrong? Could you help me please?
UPD
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Here is an example.
$.ajax({
url: 'http://input.name/get.php?do=lookup',
data: 'domain=twittorama&tlds=.ru,.com,.net,.comf.ru',
dataType: 'jsonp',
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Instead of complete: use success: then res will be the returned data from your ajax request.
Remember to use error: as well incase there is an error with you call, as it seems that there might be in your console output.
Code:
$.ajax({
url: 'http://input.name/get.php?do=lookup',
data: 'domain=twittorama&tlds=.ru,.com,.net,.comf.ru',
cache: false,
success: function(data) {
alert("Data: "+data);
},
error: function(jqXHR, textStatus, errorThrown) {
alert("Error: "+textStatus);
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});
Your code is probably fine, but you're trying to violate the same origin policy. Basically, if your site is http://aaa.com/, you cannot make AJAX called to http://bbb.com/.
There are a few ways around it:
Getting around same origin policy in javascript without server side scripts
But most of them require that both sides play nice.
The response is the second parameter of complete function:
$.ajax({
url: 'http://input.name/get.php?do=lookup' + '&domain=twittorama&tlds=.ru,.com,.net,.comf.ru',
type: 'GET',
dataType: 'text',
cache: 'false',
complete: function(res,response) {
alert('COMPLETE() done');
console.log(response);
}
});
More info: http://api.jquery.com/jQuery.ajax/
You should also consider using JSON, not php serialized data

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