GM_xmlhttpRequest is a method available to GreaseMonkey scripts. It can be used to fetch cross-site HTTP requests.
GM_xmlhttpRequest is a method available to Greasemonkey scripts. The function does not suffer from the same-origin policy.
Questions tagged [gm-xmlhttprequest]
59 questions
14
votes
3 answers
ReferenceError: GM_xmlhttpRequest is not defined
I get a ReferenceError in the following userscript code:
// ==UserScript==
// @name ...
// @namespace ...
// @description ...
// @include ...
// @grant GM_xmlhttpRequest
// ==/UserScript==
console.log(GM_info);
try
{
…
Kendall Frey
- 39,334
- 18
- 104
- 142
6
votes
1 answer
Use GM_xmlhttpRequest to POST data on Chrome?
I'm writing a user script to take an image from a page, and upload it to a server.
The script works fine in FF (Greasemonkey and Scriptish), but when I use Chrome (using Tampermonkey or Ninjakit), it does not send the data, it sends the string *…
Ohad Cohen
- 4,387
- 2
- 29
- 31
4
votes
3 answers
How to make synchronous AJAX calls in greasemonkey?
I have a list of URLs and need to load each page, one after another.
This is my main function that i have in my Mind.
mainFunction() {
loop { // Loop through URL list
oPage = func1(URL); //Get page contents
aResult = func2(oPage); //Analyse the…
user1651105
- 1,629
- 4
- 24
- 44
4
votes
1 answer
What HTTP origin does GM_xmlhttpRequest send?
I want my app with a REST API to be accessible in different flavors:
From the same domain (use normal AJAX request here)
From another domain via script attached by site owner (CORS)
From another domain via userscript (GM_xmlhttpRequest (?))
I want…
Juribiyan
- 584
- 3
- 21
4
votes
1 answer
How to fix __exposedProps__ error on Greasemonkey (GM_xmlhttpRequest)?
I have written my first script for Greasemonkey, it is working great, except that it is returning exposedProps error in each page it is working on. I already fixed all other errors but this one is still there and based on some articles on web (like…
Mona
- 928
- 3
- 13
- 18
3
votes
1 answer
Synchronous GM_xmlhttpRequest acting asynchronously?
I'm trying to get a GM_xmlhttpRequest call to behave synchronously, but I can't get it to work like I expect:
function myFunction (arg) {
var a;
GM_xmlhttpRequest ( {
method: "GET",
url: …
PhauxeKitsune
- 39
- 1
- 2
3
votes
1 answer
Using GM xmlhttpRequest instead of an iframe to display pertinent info from an external page
I have loaded an https page on Amazon.co.uk and I wish to display use 'GM xmlhttpRequest' to request the price of an item on a linked page.
What I’ve been doing so far
I tried to use an iFrame to display the window:
var prodLinks =…
Hannah Ellis
- 163
- 1
- 8
3
votes
1 answer
Greasemonkey AJAX post does not appear to work, even with @grant specified
My script does not work. The AJAX call is not happening. Why?
// ==UserScript==
// @name prova
// @namespace http://blogpagliaccio.wordpress.com/
// @description prova
// @include http://*
// @version 1
// @grant …
pagliaccio
- 65
- 1
- 5
2
votes
1 answer
GM_xmlhttpRequest responseText empty in Firefox but perfect in Chrome
I'm trying to do a userscript for Chrome and Greasemonkey in Firefox.
I'm using the GM_xmlhttpRequest since it supposed to work in both platforms.
The request code seems to work in both browsers, but in Firefox the responseText is empty in contrast…
Juniperus
- 77
- 1
- 6
2
votes
1 answer
Is there a way to pass a value TO GM_xmlhttprequest?
As indicated here:
How can I return a value from GM_xmlhttprequest?
I have a script that is asynchronous. I would like to pass a value INTO this function so that when the onload function is called I can use it to display in the web page.
The…
GeoffreyF67
- 10,331
- 11
- 39
- 56
2
votes
1 answer
How to obtain a cookie from a remote domain using Greasemonkey?
I'm writing a Greasemonkey (v2.3) script that basically screen-scrapes the contents served by lema.rae.es/drae/srv/search, for lack of an API of any sort.
The thing is, I want to query that URL from Google Translate, a different domain. For that,…
user4256966
2
votes
1 answer
How to get a serialized array from a client form to a server using the GM_xmlhttpRequest
I used JQuery.serializeArray() on a form to create an array of objects on a GreaseMonkey application:
[
{
name: a
value: 1
},
{
name: b
value: 2
},
{
name: c
value: 3
},
{
name: d
value: 4
},
{
…
dkinzer
- 28,835
- 12
- 63
- 79
2
votes
1 answer
Tampermonkey's GM_xmlhttpRequest not implementing 'context' property?
I have written a UserScript for Greasemonkey (Firefox) and am testing it for compatibility with Chrome's Tampermonkey, and getting errors in the developer console:
Uncaught TypeError: Cannot read property 'profile_url' of undefined
Uncaught…
Sharparam
- 80
- 2
- 10
2
votes
1 answer
Greasemonkey AJAX return's abort() is not a function?
Basically, I try to send a request via the GM_xmlhttpRequest() Greasemonkey API and abort it.
Here is a demo script:
// ==UserScript==
// @name example
// @namespace example795cb636-1f35
// @include …
CronosS
- 2,964
- 2
- 19
- 27
2
votes
1 answer
GM_xmlhttpRequest does not work when called from inside $(document).ready()?
This is my GM_xmlhttpRequest script:
// ==UserScript==
// @name test
// @namespace test
// @include http://stackoverflow.com/*
// @version 1
// ==/UserScript==
GM_xmlhttpRequest({
method: "GET",
url: "http://example.com",
…
Yeti
- 5,067
- 9
- 42
- 68