Ie11 cache xhr, XMLHTTP"). Doing GET request before POST does not solve this problem. This includes using APIs that rely on XHR, such as those handling file uploads or making HTTP requests in older environments. It doesn't matter if the user reloads the page, IE11 doesn't make a XHR again. Oct 30, 2025 · In this guide, we'll take a look at how to use XMLHttpRequest to issue HTTP requests in order to exchange data between the website and a server. XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. Jan 10, 2026 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. Open "GET" however, I need to delete the IE11 cache before it runs because the get keeps pulling a cached version of the website that wont expire for 1 minute after the inital get. XMLHttpRequest seem to not be treated as the same as HTTP May 1, 2013 · It is only client, requesting dummy page will fail, with a bare minimum XHR, just xhr. Change loading behavior Emulate a first-time visitor by disabling the browser cache To emulate how a first-time user experiences your site, check the Disable cache checkbox. Right-click the request and select Replay XHR. Nov 19, 2012 · Re: How to disable cache in xmlhttprequest? I don't believe you can, probably by intent. exe InetCpl. To get the current caching state, use msCachingEnabled. [1] The methods allow a browser-based application to send requests to the server after page loading is complete, and receive information back. Basically IE 11 uses very aggressive caching - much more than any other browser so it causes issues when IE users use it on apps that need to display real-time data on each page refresh. Oct 6, 2019 · 1 I have a VBS that runs CreateObject("MSXML2. If I use RunDll32. So given the identical resource request a cached result saves round-trip time. It happened mainly after clearing browser cache. Oct 17, 2015 · I do get the images on every browser, but IE11 doesn't seem to cache them, even with xhr. . This class was originally intended to support things like browser-page script making "web service" type calls. By not caching data streamed using XHR, you can get better battery life on tablets and laptops, and avoid disk latency bottlenecks. My questions are: How browser cache may affect POST ajax requests? Jul 16, 2024 · Replay XHR request To replay an XHR request, do one of the following in the Requests table: Select the request and press R. send. Data provider has a cache configuration, which is disabled Fortunately, most javascript libraries — including jQuery, YUI, Mootools and Prototype — send a X-Requested-With: XmlHttpRequest header on every ajax request. If the link prop is the same, IE11 will always get from cache. Implementing XHR Polyfill in In IE11, caching is very persistent. In the Java world, you can write a response filter that detects the X-Requested-With: XmlHttpRequest header and sets a “don’t cache this” header. IE11 is also sending a " Cache-control: no-cache " header in every one of these XHR requests, which is strange. [2] Aug 3, 2024 · Internet Explorer 11’s lack of support for the native XMLHttpRequest object poses a problem for developers who need to ensure their LoopBack applications work across all major browsers. cpl,ClearMyTracksByProcess 8 a dialog is shown that is distracting and takes focus. open and xhr. msCaching = "enabled". I've tried to overwrite that header, but it didn't seem to work. responseText It seems that Cache-Control works on most browsers and Pragma only on Firefox and not IE (don't know why) If-Modified-Since is used for IE, since IE uses different settings in his own algorithm to determine whether or not the request should be cached. May 30, 2018 · Greetings, I’ve actually followed this issue for well over a year after switching a project that used XHR with cache busting to the fetch Polyfill. Oct 19, 2015 · Result = oHttp.


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