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  1. 141 votes
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      Completed  ·  1 comment  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
    • 139 votes
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        Completed  ·  3 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
      • Unprefix and update msMatchesSelector() to matches()

        Chrome 34+ and Firefox 34+ have updated the their prefixed matchesSelector implementation to just matches. IE should do the same for accordance reasons.

        113 votes
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          1 comment  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
        • CSS Variables

          Introduces cascading variables as a new primitive value type that is accepted by all CSS properties, and custom properties for defining them.

          Spec: http://www.w3.org/TR/css-variables/

          5,873 votes
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            57 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
          • CSS Source Map Support

            This feature would enable support in the debugger for source mapped files to be shown in place of a CSS file and for the DOM Explorer to show links to the source mapped file.

            Proposed Design
            - In the DOM Explorer any link to a CSS file that is source mapped should be shown in it's source format (as with source mapped source locations on the events tab).
            - When a CSS file that has a source map comment is loaded in the debugger the debugger resolves and downloads the source file.
            - Following a link from another tool will…

            19 votes
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              0 comments  ·  Developer Tools  ·  Flag idea as inappropriate…  ·  Admin →
            • Add @supports at-rule

              Add the @support @rule
              https://developer.mozilla.org/en-US/docs/Web/CSS/@supports

              ..and while you're there, kick the webkit team to pick up the work on that as well again: https://bugs.webkit.org/show_bug.cgi?id=126636 ;)

              97 votes
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                Completed  ·  2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
              • minlength attribute

                We have the maxlength attribute to control the maximum number of characters in an <input> or <textarea>. The minlength attribute is new in HTML5, and is used to specify the minimum number of characters. We definitely need that, please be the first browser to implement it.

                Spec: http://w3.org/TR/html5/forms.html#attr-input-minlength

                59 votes
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                  2 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                • position: sticky

                  position: sticky is a new way to position elements and is conceptually similar to position: fixed. The difference is that a stickily positioned element behaves like position: relative within its parent, until a given offset threshold is met.

                  Spec: http://dev.w3.org/csswg/css-position/#sticky-pos

                  4,651 votes
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                    14 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                  • ES6 default function parameters

                    Good managing of function parameters have been a mess for too long because of the few basic tools existing in JavaScript. Time to get a real basic : default function parameters.

                    https://people.mozilla.org/~jorendorff/es6-draft.html#sec-functiondeclarationinstantiation

                    105 votes
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                      0 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
                    • 4,723 votes
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                        75 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →

                        The template element shipped in EdgeHTML 13 as part of the Microsoft Edge version included in Windows 10 build 10586 (November 2015).

                        For more information on our Web Components plans you can visit http://blogs.windows.com/msedgedev/2015/07/14/bringing-componentization-to-the-web-an-overview-of-web-components/ (part 1) and https://blogs.windows.com/msedgedev/2015/07/15/microsoft-edge-and-web-components/ (part 2)

                      • outline-offset

                        Add support for the outline-offset property, supported in all other browsers.

                        83 votes
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                          2 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                        • <main> element

                          Add support for the HTML5 <main> element.

                          80 votes
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                            Completed  ·  2 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                          • Web Notifications

                            An API for displaying simple notifications to the user.

                            http://www.w3.org/TR/notifications/

                            4,139 votes
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                              24 comments  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
                            • object-fit and object-position

                              CSS properties that control the position and size of replaced content within the content box.

                              http://dev.w3.org/csswg/css-images-3/#the-object-fit

                              4,214 votes
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                                88 comments  ·  CSS  ·  Flag idea as inappropriate…  ·  Admin →
                              • XPath 2 and 3

                                Please implement:

                                XPath 2: http://www.w3.org/TR/xpath20/

                                and

                                XPath 3: http://www.w3.org/TR/xpath-30/

                                and give away the implementations to .NET, Windows shells and Casablanca (C++ REST API) teams. Its being 12 years now! See https://connect.microsoft.com/VisualStudio/feedback/details/804565/xpath-2-and-3-in-microsoft-world.

                                66 votes
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                                  Completed  ·  5 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • <time> element

                                  Add support for the HTML5 <time> element.

                                  63 votes
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                                    1 comment  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                                  • about:config

                                    Implement web page to configure advanced IE options... like about:config.
                                    - You can be original name it about:settings
                                    - I would like to have there settings to disable HTLM5, particular video codec, set user agent, other setting hidden just in registry.

                                    62 votes
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                                      1 comment  ·  Miscellaneous  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 3,043 votes
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                                        13 comments  ·  HTML  ·  Flag idea as inappropriate…  ·  Admin →
                                      • CustomEvent

                                        It's time to get with all the other browsers and support the new CustomEvent construction for dispatching custom events onto window, document, and anything else that supports the modern event listener model.

                                        50 votes
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                                          Completed  ·  1 comment  ·  JavaScript  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Implement HSTS Protocol! It is important because of security.

                                          Every common browser has HSTS protocol implemented which means that they are more secure.

                                          23 votes
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                                            Completed  ·  1 comment  ·  Networking  ·  Flag idea as inappropriate…  ·  Admin →
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