I have a very simple ajax request (see below). The server is using CORS and works fine in IE 10+, Chrome, Firefox and Opera. On Microsoft Edge however, it fails with      XMLHttpRequest: Network Error 0x80070005, Access is denied.   I have researched...

I know you should do feature detection where possible, but can you detect in Javascript if the browser is the Microsoft Edge browser?  I maintain an old product and I want to display a warning that some features could be broken without having to inve...

I am trying to use video.js to prevent fast-forward, but allow rewind, for mp4 videos on a Moodle site. The following script works in Chrome and Opera, but not in Microsoft Edge:  window.onload = function() {   if ($('iframe').length > 0)...

I've built a CodePen-like editor that's client side only. It works by letting you edit HTML, JS, and CSS, and then when you click run, it generates a blob and sets some iframe src to that blob.  This works in Firefox(49), Chrome(53), Safari(1...

I'm seeing an Intl not available error in the JS console when my script runs the following code in Edge 15:  new Date().toLocaleDateString()  I'm a bit stumped by this. It is working just fine in Edge 14, and I can't find any reference to...

I've currently started on a project including AJAX, and I ran into a problem. When using Microsoft Edge (and Internet Explorer) it won't update data, unless I close the entire page and open it again, or if I open my PHP file, from which I sen...

I am trying to export an SVG created in the browser (a d3.js chart) as a PNG using methods based from https://github.com/exupero/saveSvgAsPng and http://techslides.com/save-svg-as-an-image. The SVG is converted to a data URI and rendered as an image...

The download attribute of an <a> tag helps Edge open download links more nicely (i.e. it closes the target tab once it realises it won't be used).  Is there any way to do that when Javascript is responsible for initiating the download?  As...

I can't get browser.browserAction.setIcon to work in Microsoft Edge when manifest.json is specifying a default icon in multiple sizes:  manifest.json  {   "manifest_version": 2,   "name": "test",   "version": "...

Findings and Supporting Information  Thanks to user4749485 for pointing out a link I missed in the comments below. As pointed out by the person who made it, it seems this is caused by MS converting the HTMLElement to a normal Object before passing it...