IEBlog

Internet Explorer Team Blog

  • IEBlog

    Interoperable HTML5 Quirks Mode in IE10

    • 39 Comments
    The fourth IE10 platform preview includes enhanced HTML5 support by using an interoperable quirks mode based on the behavior defined in HTML5. This HTML5-based quirks mode is the default quirks mode in IE10. Users and Web developers want sites to just work across browsers. A key part of this is making HTML, CSS, and JavaScript work in the same way across implementations. HTML5 facilitates cross-browser consistency by defining parts of the Web platform previously left unspecified...
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    IE 9.0.4 Available via Windows Update

    • 17 Comments
    The December 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves three privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user visits a specially crafted Web page using Internet Explorer. An attacker who successfully exploited this vulnerability could run a malicious application on the affected system. Users whose accounts are configured to have fewer...
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    Media Capture API: Helping Web developers directly import image, video, and sound data into Web apps

    • 36 Comments
    Last March, we released a prototype implementation of the audio portion of a working draft of the W3C Media Capture API on HTML5 Labs . This prototype publicized some proposed API enhancements described in section 6.1 of Microsoft’s HTML Speech XG Speech API Proposal . We have now updated the prototype to include the image and video capture features described in the proposal to support scenarios we’ve heard are important for Web developers, as well as incorporating your feedback on audio. As more...
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    Moving to Standards-based Web Graphics in IE10

    • 22 Comments
    Users expect to visit any site on the Internet with any browser and enjoy a similar quality experience. We first discussed Internet Explorer’s commitment to achieving the goal of consistent “same markup, same results” across browsers in a post on March 16, 2010 announcing the release of the IE9’s first platform preview. IE9 moved us a long way toward that goal and IE10’s HTML5-based Standards and Quirks modes largely completes that work. The post HTML5 Parsing in IE10...
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    Working with Binary Data using Typed Arrays

    • 13 Comments
    With HTML5 comes many APIs that push the envelope on user experiences involving media and real-time communications. These features often rely on binary file formats, like MP3 audio, PNG images, or MP4 video. The use of binary file formats is important to these features to reduce bandwidth requirements, deliver expected performance, and interoperate with existing file formats. But until recently, Web developers haven’t had direct access to the contents of these binary files or any other custom...
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    HTML5 for Applications: The Fourth IE10 Platform Preview

    • 86 Comments
    An updated platform preview of IE10 for the Windows Developer Preview is now available for download . This IE10 preview adds even more support for HTML5 technologies, enabling richer Web applications with significantly improved performance. IE10’s hardware acceleration of technologies like SVG, CSS3 transforms and animations delivers faster rendering than other browsers, as highlighted in this short video. See some of the new HTML5 capabilities, performance improvements in IE10. With...
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    Evolving ECMAScript

    • 28 Comments
    For the Web and Web applications to keep making progress, the programming language of the Web must continue to improve. Today’s JavaScript standard lacks a few basic objects and library helpers that are vital for building rich, world-wide Web applications. Last week at the Ecma TC39 meeting at Apple’s campus in Cupertino, Microsoft shared reference implementations of proposals to address gaps in Math, String, and Number functionality as well as Globalization . To ensure that others in the community...
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    Adding Personality with CSS3 Transitions and Animations

    • 15 Comments
    Advancements like high-performance compiled JavaScript and hardware-accelerated rendering of HTML5 and CSS3 in Internet Explorer 9 and 10 allow Web developers to create richer and richer experiences. Two related features, CSS3 Transitions and CSS3 Animations , give Web developers a declarative way to add personality to Web page interactions easily. This blog post describes these two features as implemented in IE10 in the Windows Developer Preview and Windows 8 Metro style apps written...
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    Typing with Speed and Accuracy in IE10

    • 45 Comments
    Typing quickly and accurately is a critical part of the user experience for any piece of software. When using a device without a physical keyboard, providing a great text input experience is even more important. Windows 8 provides several capabilities to make text input great on any device, and spellchecking is one of them. Spellchecking in Windows 8 allows customers to identify misspelled words while they are entering text, have commonly misspelled words fixed automatically, and take...
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    HTML5 History in IE10

    • 11 Comments
    Building fast and functional sites is a challenge with which most Web developers are familiar. Loading a new page every time the user clicks a link is slow. Fetching all content dynamically effectively disables the back button. Working with hashes is better, but still not ideal. Internet Explorer 10 in the Windows Developer Preview eliminates the compromise by adding support for HTML5 History . The pushState , replaceState , and popstate APIs provide fine-grained control over the behavior of the...
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    A Best Practice for Programming with Vendor Prefixes

    • 14 Comments
    Vendor prefixes enable Web developers to experiment with new standards before they reach the Candidate Recommendation stage. I previously wrote how these prefixes are also a mechanism browser vendors use for handling timing conflicts between implementations and specifications. In building demos of new features for our IE Test Drive site and in various presentations, many of us on the IE team deal extensively with vendor prefixes. This blog post describes a pattern we’ve used in some recent demos...
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    Best Practices for Getting Started with SVG

    • 11 Comments
    Web graphics in SVG (Scalable Vector Graphics) format offer better quality display over a broader range of device sizes compared to bitmap-based graphics. SVG also has inherent accessibility making it the best choice for interactive graphics and those involving text. SVG usage on the Web continues to grow. Last week at SVG Open 2011 , we had the opportunity to meet with and hear from Web developers putting SVG to use in a wide variety of real-world applications. These applications include...
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    Connect Your Web Site to Your Windows 8 App

    • 15 Comments
    Windows 8 Metro style apps let developers take their Web sites’ experiences to the next level. With Metro style apps, developers can build experiences that are more immersive, beautiful, and better connected with other apps and the rest of Windows. Apps can utilize the Windows Runtime to deliver features beyond what’s possible in a browser alone such as seamless access to local files and folders, integrating with Windows 8 Charms for sharing and search, and interacting with locally-connected...
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    Handling Multi-touch and Mouse Input in All Browsers

    • 19 Comments
    Touch interaction with Web sites and apps has the opportunity to improve their usability and ubiquity as the Web and Windows 8 Metro style apps play a key role on tomorrow’s touch-enabled devices. This post explains how Web developers can use the new IE10 pointer event model along with the iOS touch event model and the W3C mouse event model (as extended ) to create a cross-browser, common-code handler for pointer, touch, and mouse input. A little background: I’m fortunate to have...
  • IEBlog

    SVG Filter Effects in IE10

    • 27 Comments
    Scalable Vector Graphics (SVG) provides Web developers with a declarative, markup-based language for building rich, interactive content as part of their Web sites. With SVG Filter Effects, supported in IE10 in the Windows Developer Preview, developers have a collection of powerful, image-based effects that apply to all SVG elements. Like all Web page content in IE9, SVG Filter effects in IE10 are built with hardware-accelerated rendering, resulting in stunning performance and opening up new opportunities...
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    HTML5 Video Captioning

    • 16 Comments
    The promise of HTML5 is a Web that works for everyone. Media accessibility through captioning is an important part of that promise and an area that is still emerging through standards work. Using the proposed HTML5 track element , developers can add captioning to HTML5 video by pointing to a caption file that contains a written representation of the dialog or actions in the video. Once the standards for captioning converge, there will be less need for external add-ons to publish accessible video...
  • IEBlog

    IE 9.0.3 Available via Windows Update

    • 11 Comments
    The October 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves eight privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the local user. Users whose accounts are configured to have fewer...
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    Building Rich Text-Centric Pages in IE10

    • 15 Comments
    Internet Explorer 10 in the Windows Developer Preview introduces two new CSS features designed to make it easier for developers to create rich text-centric Web pages and apps. CSS3 Regions provides a lightweight mechanism to flow content through multiple non-contiguous areas. IE10’s support of CSS3 Hyphenation gives developers a simple mechanism to hyphenate text in a wide range of languages. These two new features complement other great CSS features we previously announced , including CSS3 Grid...
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    Reminder: SVG Open 2011 October 17-20

    • 24 Comments
    SVG Open 2011 , the 9th International Conference on Scalable Vector Graphics, is just over two weeks away. This year’s theme, “Where SVG Meets the Web,” underscores SVG’s inclusion in HTML5 and its growing importance on the Web. SVG is also the declarative vector graphics format for Windows 8 Metro style apps built using HTML . The conference is an annual showcase of SVG innovation bringing together the leaders who drive SVG forward. Microsoft is honored to host this year’s conference at our New...
  • IEBlog

    CSS3 text-shadow in IE10

    • 30 Comments
    IE10 in the Windows Developer Preview introduces support for hardware-accelerated CSS3 text-shadow . Text-shadow is one of the top requested features from Web developers. It enables text effects that were previously difficult or impossible to accomplish in a standards-friendly way without resorting to inline images of text. Text-Shadow in IE10 As its name suggests, text-shadow is a CSS property that draws a shadow behind text. Example of a purple text-shadow behind text Use...
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    Building Offline Experiences with HTML5 AppCache and IndexedDB

    • 24 Comments
    Users expect their Web sites and apps to work well even when the network isn't available. With data increasingly stored in the cloud, developers want to enable fluid experiences that allow access to data when there is no connectivity; when devices are disconnected from the network or when they encounter dead spots in coverage. In this post, we show how to create well-behaved offline sites and apps using the following HTML5 features: AppCache to store file resources locally...
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    Touch Input for IE10 and Metro style Apps

    • 62 Comments
    The Web is more interactive, fun, and immersive when sites work well with new input devices and touch screens. The Windows Developer Preview introduces support for handling touch and pen input in your sites and apps. Developers can now ensure their sites work well with touch and build powerful new experiences that make the most of advanced input such as multi-touch and gestures. You can see this in action on the IE Test Drive site in the new and updated demos Touch Effects , Lasso Birds , and Flying...
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    Site Ready WebSockets

    • 52 Comments
    The Web gets richer and developers are more creative when sites and services can communicate and send notifications in real-time. WebSockets technology has made significant progress over the last nine months. The standards around WebSockets have converged substantially, to the point that developers and consumers can now take advantage of them across different implementations, including IE10 in Windows 8. You can try out a WebSockets test drive that shows real time, multiuser drawing that works across...
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    Windows Developer Preview: The Third IE10 Platform Preview

    • 107 Comments
    With the new IE10 engine included in the Windows Developer Preview , developers can work with more HTML5 technologies to build touch-friendly and beautiful interactive Web applications. This video shows some of the touch-friendly HTML5 technologies in the third IE10 Platform Preview, included with the Windows Developer Preview. Windows 8 includes one HTML5 browsing engine that powers two browsing experiences: the new Metro style browser and IE10 on the desktop. The common HTML5 engine provides...
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    Asynchronous Programming in JavaScript with “Promises”

    • 18 Comments
    Asynchronous patterns are becoming more common and more important to moving web programming forward. They can be challenging to work with in JavaScript. To make asynchronous (or async) patterns easier, JavaScript libraries (like jQuery and Dojo) have added an abstraction called promises (or sometimes deferreds). With these libraries, developers can use promises in any browser with good ECMAScript 5 support. In this post, we’ll explore how to use promises in your web applications using XMLHttpRequest2...
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