Internet Explorer 9: Developer Overview Asim Afzal MCT/MCAD/MCSD/MCDBA/MCP Blog:

Agenda 2 History and Evolution Fast Clean Interoperable

History and Evolution

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All-Around Fast

10 Multi-System Performance

WebKit SunSpider JavaScript Benchmark Results 11

The JavaScript Engine 12 Source Code ParserASTInterpreterByteCode Foreground

Source Code ParserASTInterpreterByteCode Foreground New JavaScript Engine – “Chakra” 13 Background Background Compiler Native Code Compiled JavaScriptIn The BackgroundUsing Multiple Cores

Flying Images Demo

Flying Images – One Animation 15 IE8 IE9

Using The Full Power of Your PC 16

Everyone Has a GPU 17

window.msPerformance 18 var w = window; var navStart = w.msPerformance.timing.navigationStart + "ms"; var navStartTime = Date(w.msPerformance.timing.navigationStart); A new set of Performance Metrics integrated at the DOM Browser interoperable way to measure performance

With a focus on your sites Clean

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Pinning Demo

Enhance your Pinned Site Pinned Site mode requires no changes to your site Getting Started with Pinned Sites 24 Provide custom information Add the site as a Pinned Site programmatically Customize the icon Define Jump List tasks Add additional Jump List items in a custom list Show thumbbar buttons

Customize Your Pinned Site 25 <meta name="msapplication-tooltip" content="Start the Pinned Site" /> <meta name="msapplication-starturl" content=" /> Use meta elements to provide specific information

Programmatically Pinning Your Site 26 if (window.external.msIsSiteMode) { if (window.external.msIsSiteMode()) { // we are already in site mode } else { // add site to the Programs menu window.external.msAddSiteMode() }

Adding Icon Overlays 27 window.external.msSiteModeSetIconOverlay( ' 1'); window.external.msSiteModeClearIconOverlay(); Provide users with notifications or progress updates

Adding Jump Lists 28 <meta name="msapplication-task" content="name=Task 1;action-uri= icon-uri= <meta name="msapplication-task" content="name=Task 2;action-uri= icon-uri= Windows 7 integration

With the same markup Interoperable

Web API Usage 7000 top sites API (by rank) Number of sites APIRankPercent of Sites indexOf194% getElementById1380% addEventListener2765% getComputedStyle6226% 30

The HTML Working Group Working With Standards Bodies 31 Member of many W3C Working Groups Leading the W3C HTML5 Testing Task Force 40 W3C Member Organizations 411 group participants 280 invited experts 9 mailing lists ~4000 s on public-html

Defining Same Markup 32

Internet Explorer Testing Center 33

F12 Developer Tools A built in, visual interface to the Document Object Model Fast experimentation New for Internet Explorer 9 Network inspection UA String Picker Console Tab SVG Support 34

Internet Explorer 9 35 All-around FastClean, with a focus on your websites Interoperable with same markup

Internet Explorer 9 Beta: Now Available Migrate your applications off Internet Explorer 6 Develop for standards first! Download and install the Internet Explorer 9 Beta and test your site! Learn more at… 36

1.What is the new name of JavaScript Engine? 2.Define Site pinning? When Microsoft released the final version of IE 9? 3.A JavaScript API’s that help you to instrument your code called? Questions

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