IEBlog

Internet Explorer Team Blog

  • 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...
  • IEBlog

    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...
  • IEBlog

    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...
  • IEBlog

    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...
  • IEBlog

    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...
  • IEBlog

    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...
  • IEBlog

    Online Tracking, Consumer Protection, and Web Standards

    • 16 Comments
    Today, the W3C announced the creation of a Tracking Protection Working Group to work on defining what tracking is, signaling user intent, and tracking protection lists. The W3C’s action here can help protect consumers from unwanted tracking. We welcome the opportunity to work with the industry and governments on a Web standard based on our earlier work. The Tracking Protection feature in IE9 provides a way for consumers to benefit today by restricting which sites on the Web get information from...
  • IEBlog

    Browsing Without Plug-ins

    • 70 Comments
    Because more and more browsing takes place on an ever wider variety of devices, and browsers on them, more and more consumers are browsing without plug-ins. Delivering a great site experience to consumers who browse the Web plug-in free is important work that sites must do to reach the widest audience. With HTML5, modern browsers and sites can deliver a great consumer experience even without plug-ins. “Plug-in” refers broadly to browser extensions that run native client code using...
  • IEBlog

    The Year in Review: W3C Web Performance Working Group

    • 41 Comments
    Fast HTML5 Web applications benefit consumers who browse the Web and developers building innovative new experiences. Measuring performance characteristics of Web applications and writing efficient applications are two important aspects of making Web sites fast. Browser manufacturers can rapidly address developers’ needs through interoperable APIs when collaboratively partnering through the W3C. One year ago today, the W3C announced the formation of a Web Performance Working Group chartered...
  • IEBlog

    IE 9.0.2 Available via Windows Update

    • 59 Comments
    The August 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves five vulnerabilities in Internet Explorer that were disclosed in coordination with Microsoft and two publicly disclosed vulnerabilities. The most severe vulnerabilities could allow remote code execution if a user visits a malicious, specially crafted Web page using IE. Users who run without administrative rights are more secure in general and should be less impacted...
  • IEBlog

    HTML5 Drag and Drop in IE10 PPB2

    • 50 Comments
    Drag and drop is a user interaction model that we all use on a day to day basis, probably without giving it much thought. We drag files from one folder to another, text from one area of a document to another, and PowerPoint slides from one place in the presentation to another. HTML5 Drag and Drop , available in IE10 Platform Preview 2, brings this natural, familiar behavior to the Web. Magnetic Poetry on the IE Test Drive site is example of a site that uses HTML5 Drag and Drop to...
  • IEBlog

    Defense in Depth: Locking Down Mash-Ups with HTML5 Sandbox

    • 50 Comments
    The Web is better when developers can build safer experiences in their sites. With each release of Internet Explorer, we’ve led the way with improvements to the browser to help ensure a safe and secure browsing experience. Now IE10 Platform Preview 2 includes full support for HTML5 Sandbox technology that allows developers to further lockdown mash-up content on their sites. HTML5 Sandbox allows developers to further reduce the privileges of portions of their pages. To use it, it’s as simple as adding...
  • IEBlog

    Debugging Web Workers in IE10

    • 17 Comments
    With Web Worker s, Web applications can be more responsive by offloading long-running, complex JavaScript algorithms to run in the background. IE10 includes a complete and predictable debugging experience for JavaScript executing within both the Web page and in Web workers. In IE10, we’ve enhanced the F12 tools to be aware of the new script contexts created for every Web worker. When you start debugging (by clicking the Start debugging button within the F12 tools), you’re attaching to...
  • IEBlog

    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 2

    • 19 Comments
    Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5, improving the performance of Web applications, the power efficiency of the Web platform, and the resulting customer experience. The second IE10 Platform Preview supports emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more efficiently. This post details how to use Page Visibility , one of the...
  • IEBlog

    HTML5 Parsing in IE10

    • 99 Comments
    The Web is better when developers can use the same markup and same code across different browsers with the same results. The second platform preview of IE10 makes progress in this area by fully supporting the HTML5 parsing algorithm. This continues work we started in previous releases to improve IE’s HTML parser to make more HTML “just work” in the same way across browsers. Some key examples include supporting SVG-in-HTML, supporting HTML5 semantic elements, preserving the structure of unknown...
  • IEBlog

    Using PC Hardware more efficiently in HTML5: New Web Performance APIs, Part 1

    • 16 Comments
    Browsers need amazing performance to deliver on the promise of HTML5 applications. Web developers need API’s to efficiently take advantage of modern PC hardware through HTML5 and build high performance Web applications with efficient power use for great, all around customer experiences. The second IE10 Platform Preview supports three emerging API’s from the W3C Web Performance Working Group which enable developers to make the most of the underlying hardware and use battery power more...
  • IEBlog

    Web Workers in IE10: Background JavaScript Makes Web Apps Faster

    • 24 Comments
    Responsive Web pages result in happier consumers. With Web workers, Web applications are more responsive by offloading complex JavaScript algorithms to run in the background. For example, in this test drive ( link ), you can see that offloading the work to calculate movement of water in the fountains via Web workers makes the main page more responsive for consumers: This video shows Web Workers in action in the second IE10 Platform Preview. For a closer look at the code behind this demo, watch...
  • IEBlog

    test262: Industry JavaScript Standards Test Available

    • 31 Comments
    This is a great week for the Web, in particular JavaScript developers. Standards bodies have ratified the latest version of JavaScript, ECMA-262 edition 5.1 , and have published the test262 test suite for JavaScript. Now, anyone can run the test suite at http://test262.ecmascript.org/ and compare how well different browsers support the standard. The suite already has over 10,000 tests contributed by members of JavaScript technical committee as well as all the JavaScript tests that we have posted...
  • IEBlog

    Site-ready HTML5: Second IE10 Platform Preview Available for Developers

    • 76 Comments
    IE10 Platform Preview 2, the same HTML5 engine seen in the recent public “Windows 8” demos, is now available for download . With this update, IE10 continues to deliver support for site-ready HTML5 technologies as well as improving performance: This video shows some of the HTML5 technologies in the second IE10 Platform Preview in action. With the second Platform Preview, developers can start working with several site-ready HTML5 technologies for building beautiful, interactive Web...
  • IEBlog

    CSS 2.1 Complete: Unblocking Faster Web Standards Progress

    • 22 Comments
    Web technologies across the board can make faster and better progress now that the CSS 2.1 specification is a final, completed standard and published as a Recommendation. First, finishing CSS 2.1 unblocks faster progress moving the Web forward with the rest of CSS and other important technologies in the broader W3C HTML5 family. Even more important, the lessons from CSS 2.1 raise expectations for measuring and improving the actual interoperability of Web standards. Because CSS 2.1 has been “mostly...
  • IEBlog

    A Browser for All Windows Customers: it’s about and, not or

    • 84 Comments
    The topic of what some customers need from a browser saw a lot of attention in headlines (e.g. Mozilla to enterprise customers: "Drop dead" ) last week. Both Google employees and Mozilla community members alike ( link ) explained that to support consumers, their browsers cannot fulfill the needs of large organizations. At Microsoft, we believe that all Windows customers should have a great browsing experience, whether they stay at home, go to school, or work in a large organization with managed IT...
  • IEBlog

    Velocity 2011: The Performance Impact of Modernizing Internet Explorer

    • 16 Comments
    Velocity 2011: The Performance Impact of Modernizing Internet Explorer Browsers need amazing performance to deliver on the promise of HTML5 applications. Modernizing Internet Explorer 9 has changed what’s possible with Web sites, and dramatically improved the performance of the HTML4 sites consumers use today. To demonstrate the real world performance gains in IE9 at the recent Velocity 2011 conference, we presented our talk on Modernizing Internet Explorer as an interactive HTML4 Web application...
  • IEBlog

    Internet Explorer 9 Security Part 4: Protecting Consumers from Malicious Mixed Content

    • 19 Comments
    Mixed content on a Web page puts consumers at risk of man-in-the-middle attacks, especially as consumers spend more time browsing from untrusted public networks (like free WiFi in coffee shops and airports). An attacker can view page content that a consumer expected to be delivered securely, and even modify the contents of the page without the consumer knowing it. This happens when Web sites void the security promise of HTTPS by including content delivered by HTTP into their otherwise secure HTTPS...
  • IEBlog

    Adobe Flash Player 10.3: Hardware-Accelerated Rendering in IE9

    • 27 Comments
    Adobe Flash Player 10.3 delivers super-fast graphics by plugging into the Internet Explorer 9 hardware-accelerated rendering pipeline using IE9’s ISurfacePresenter interface. Recently, some of you may have seen this rendering issue with Flash content on some pages: Screen shots of a Web page with Flash content displayed incorrectly in its upper left corner (left) and correctly (right) Adobe addressed the problem illustrated above (Flash content displaying in the upper...
  • IEBlog

    IE 9.0.1 Available via Windows Update

    • 27 Comments
    The June 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update . This security update resolves seven vulnerabilities in Internet Explorer that were disclosed in coordination with Microsoft. The vulnerabilities could allow remote code execution if a user visits a malicious, specially crafted Web page using IE. Users who run without administrative rights are more secure in general and should be less impacted than other users; you can read more about this security...
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