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Tuesday, June 30, 2009 1:08 AM

Steps Toward Creating Compatible ECMAScript 5 Implementations

As we’ve discussed in the past , Microsoft has been actively involved in the developing the specification for the next revision of the JavaScript standard, ECMAScript Fifth Edition. We expect that after ECMAScript 5’s completion and formal adoption later
Posted by GauravS | 12 Comments
Tuesday, June 23, 2009 1:17 AM

Native JSON Support in IE8 and Tracking the ECMAScript Fifth Edition Draft Specification

Internet Explorer 8 was the first browser to introduce native support for encoding and decoding JSON. While we were finalizing the JSON support to be introduced in IE8, the ECMAScript Fifth Edition (ES5) Draft Specification was still under active development.
Posted by GauravS | 3 Comments
Tuesday, June 23, 2009 1:11 AM

Serializing the value of empty DOM elements using native JSON in IE8

With native JSON support enabled in IE8, users can now take advantage of the built-in JSON.stringify and JSON.parse methods to serialize and deserialize JScript values to JSON text and vice versa. However, there is a known issue in IE8’s native JSON implementation,
Posted by GauravS | 11 Comments
Friday, April 17, 2009 4:58 AM

Versioning Language Features in JScript

With Internet Explorer 8 we introduced several new JScript language features including native JSON support and accessor methods for Mutable DOM prototypes. Of course, any new language feature introduces compatibility risk and one of the main pieces of
Posted by GauravS | 20 Comments
Thursday, April 09, 2009 11:38 PM

A Major Milestone in JavaScript Standardization

In the world of web standards, JavaScript is known as ECMAScript and maintenance of its definition is the responsibility of the Ecma International standards organization. The ECMAScript standard was last updated in 1999, so it is quite significant that
Posted by GauravS | 15 Comments
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Wednesday, March 25, 2009 8:56 AM

What’s new in JScript for IE8

During Beta1 and Beta2 pre-releases of IE8, we’ve blogged about the performance optimizations done in the Script engine and the addition of new language features such as native JSON support . We also provided details about the JScript Debugger and the
Posted by GauravS | 1 Comments
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Thursday, March 19, 2009 10:39 PM

Internet Explorer 8 Final Available Now

Internet Explorer 8 Final is now available in 25 languages. IE8 makes what real people do on the web every day faster, easier, and safer. Anyone running Windows Vista, Windows XP, and Windows Server can get 32-bit and 64-bit versions now from http://www.microsoft.com/ie8
Posted by GauravS | 1 Comments
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Tuesday, January 27, 2009 1:50 AM

Internet Explorer 8 Release Candidate Now Available

Internet Explorer 8 Release Candidate Is Now Available . Here is post that would help you Upgrade to Internet Explorer 8 Release Candidate 1 . Note: The comments on this blog are blocked. Pl post your comments on the IE team blog , so that they can be
Posted by GauravS | 1 Comments
Wednesday, September 17, 2008 10:52 AM

JScript Debugger in Internet Explorer 8 Beta 2

In Internet Explorer 8 Beta 2 JScript team has focused on improving developer productivity. You can read 'What’s new in JScript for IE8 Beta 2' and check out the JScript PM Channel 9 video to learn more. As part of our focus on developer productivity
Posted by deepak.jain | 31 Comments
Thursday, September 11, 2008 6:12 AM

Allen Wirfs-Brock and Pratap Lakshman on "Harmony", ECMAScript 3.1, IE 8, and more

The 4 th episode of the Open Web Podcast featured Allen, Pratap , Dion, and John discussing the Open Web, ECMAScript, IE 8 and more. A recording of the discussion has been published. Enjoy!
Posted by don.raman | 2 Comments
Wednesday, August 20, 2008 6:41 PM

ECMAScript 3 and beyond - the road to "Harmony"

The current ECMAScript specification was completed in 1999 and certainly needed to be updated to reflect today’s web environment and practices. Some participants in the standards process wanted to use what they thought of as a once-in-a-decade opportunity
Posted by don.raman | 10 Comments
Wednesday, April 23, 2008 5:56 AM

GC Improvements in JScript for Internet Explorer 8 Beta 1

Hello Friends, Today I am going to talk about some of the Garbage Collector improvement we have done. Actually the original fix was done in Script 5.7 (shipped with IE7/Vista and also available on down level platforms ), which we further enhanced in JScript
Posted by JSBlog | 20 Comments
Tuesday, April 08, 2008 10:20 PM

Performance Optimization of Arrays - Part II

Hello Friends, Hope you have read part I of this topic which I posted few days ago. If not then I would suggest going through that first as this post is just a continuation of that one. So coming to the point, here is the second reason - 2. “JavaScript
Posted by JSBlog | 18 Comments
Tuesday, April 01, 2008 10:39 PM

Reading XML File With JScript

I am Titus working as a SDET in JScript team. Sometime back I came across a situation where the requirement was to pass a XML file and get a Tree Listing back. The Tree Listing should have all nodes in the file along with proper parent/child relationship
Posted by JSBlog | 11 Comments
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Tuesday, March 25, 2008 10:18 PM

Performance Optimization of Arrays - Part I

Hello Friends, Have you observed better performance of Array operations in IE8 than IE7? If not, try the following code in both IE7 & IE8 and I can bet you would not leave this page without reading till the last word. var arrObj = new Array(); var
Posted by JSBlog | 12 Comments
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