Microsoft Edge Developer

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Great! This site is where the Microsoft Edge team collects feature requests from the web developer and designer community in the categories listed to the right. For bugs on existing features, please log an issue on the Issue Tracker.

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How can we improve the Microsoft Edge developer experience?

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  1. Emulation: Throttle CPU

    This feature would extend the emulation tool to enable throttling of the CPU to emulate situations where the page is running on a low CPU device. The emulation is not perfect (e.g. it wouldn't emulate diff instruction sets) but would help in giving a more real world experience for lower powered devices (desktop and phone).

    8 votes
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      0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
    • save css edits to file system

      Allow to save edits made to local CSS files in the dev tools.

      5 votes
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        0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
      • Add "Disable JavaScript" option in Developer Tools

        To locate bugs, it would be great to be able to disable JavaScript via Developer Tools. A button in the Debugger tool bar, for instance.

        40 votes
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          1 comment  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
        • Accessibility Tool: Smart Help

          This feature would use some rule checking against the acc tree and properties to point out potential issues. For example when an img is missing a name (say because of a missing alt attribute) or a labelledby is pointing to an invalid node etc.

          1 vote
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            0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
          • Accessibility Tool: Explain how properties are calculated

            This feature would articulate how the various accessibility properties in the accessibility panel are calculated. For example where the name value comes from.

            1 vote
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              0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
            • Being able to activate element highlighting when the page is focused

              As the title says, being able to activate the element highlighting after interacted with the page would be very useful

              1 vote
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                0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
              • Don't remove combined files after loading source maps

                Currently in the debugger, after the source maps are loaded, the combined javascript files are removed from the source tree which makes following up production stack traces challenging.

                Firefox has a similiar problem https://bugzilla.mozilla.org/show_bug.cgi?id=1301331

                1 vote
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                  0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                • Add the 'copy' console API to copy variable contents to clipboard

                  Firefox and all webkit-based browser have a 'copy' function injected into the console, which can be used to copy the content of any variable currently in the console to the clipboard. I recently discovered this in Opera, and it's become a very handy functionality. Please add this to Edge too.

                  6 votes
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                    0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                  • Add the F12 tool to the mobile version of Edge

                    Nowadays many of us test on the phone to, so please let us get access to f12 on mobile to. Would be so nice to inspect elements on the mobile to!!

                    64 votes
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                      1 comment  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                    • Allow me to tell Edge where to look for Source files

                      If Edge cannot find source files from map.js, the debugger becomes worthless. It does not allow me to easily Show the js files nor does it ask me, where to look for the original source files in the file System.
                      Chrome solves this a Little bit better by allowing me to define a Workspace. You should enable something similar.

                      3 votes
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                        0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add option to Edit and Resend the HTTP request

                        When using the Network tab in Edge Developer Tools, it would be cool to have Edit and Resend request option (something similar to what Firefox offers).

                        17 votes
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                          0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                        • Reposition the Find text box near the DOM Explorer / Debugger window

                          The find text box is aligned in the top right corner next to the CSS, it's un-intuitive and should be nearer to the DOM inspector window

                          3 votes
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                            0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                          • An Edge Extension that allows developers to create HTTP REST calls

                            As a SharePoint and web developer, I often have to create and troubleshoot HTTP REST calls. I would like to manipulate the querystring, headers and body as well as use different HTTP methods (GET, POST, PUT, DELETE, etc.) and see the results.

                            21 votes
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                              3 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                            • Support the ability to export CSV data from performance/ui responsive traces from the F-12 tools

                              Often time customers want to see how often a particular thing occurred in the timeline. Like document.createElement(). Manually counting these on large web pages or highly graphical ones can be nearly impossible.

                              What would be useful in order to better support IE and Edge and thus reduce the escalations to EE's would be the ability to export to a CSV or excel so that we could actually run count() functions on particular elements or occurrences.

                              3 votes
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                                0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                              • Need a way to detect Enterprise Mode from client side code.

                                Need a way to detect Enterprise Mode from client side code

                                79 votes
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                                  1 comment  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                • dark theme

                                  Add optional Visual Studio-like Dark theme. Eyes work harder going from VS Dark to F12 Tools light hundred of times a day. Less fatigue, more productivity.

                                  163 votes
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                                    8 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                  • F12 developer tools memory analysis allow copying the columns as text

                                    This should be pretty straight forward, but I would really like to be able to copy text from the F-12 developer tools when working with memory snapshots.

                                    It makes it easier to paste it later when I hit control-f in the debugger later.

                                    Right now I can take screen shots, and then I end up having to type out really long class names, or IDs which I could misspell.

                                    4 votes
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                                      0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Show mutation observers in events tab

                                      The events tab should show mutation observers along with their configuration just like other events.

                                      1 vote
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                                        0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                      • F12 emulation of slow network connections

                                        This feature would enable the emulation of different network connections such as 3G, 4G etc... changing network throughput, latency and packet loss to match typical conditions for that type of network.

                                        Proposed Design
                                        - Impacts just the page being debugged
                                        - Dropdown on emulation tool to select from the different connection options (exact list tbd)
                                        - Fits in with the persistence of the rest of the emulation settings

                                        380 votes
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                                          2 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Extend F12 functionality to BrowserControl.

                                          Good idea is to move f12 functionality to BrowserControl. So, developers who use it could get extensive possibilities.
                                          For now BrowserControl cannot use 'console.log', network tab, and so on.

                                          3 votes
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                                            0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
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