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

UPDATEMicrosoft has released an update that addresses most of the issues discussed below. Refer KB976662 for more information about the update. The MSDN links for JSON documentation – JSON.stringify, JSON.parse and toJSON, have also been updated to reflect these changes. Suresh Jayabalan, Program Manager, JScript ============================= Internet Explorer 8 was the first browser to introduce native support for encoding and decoding JSON….

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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 collated at one place.   Gaurav Seth Program…

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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 shipped with IE8 Beta1. So if you have gone through the Eric’s…

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Insight into String Concatenation in JScript

Hello Friends, Have you read my post on the String Concatenation issue? If yes, then I can sense your curiosity to know a little bit more about what went on behind the scenes.  For example, what is the new algorithm used to get to the performance results projected in the blog, what were the issues…

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Thank you – Smartsheet !

We are constantly looking to engage with our customers on this blog and understand their pain-points, and in that spirit, it was really heartening to see the blog post by Mark Mader from Smartsheet. The JScript team is very appreciative of this kind of customer engagement and hope more customers frequent this blog and provide feedback…

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Performance issues with "String Concatenation" in JScript.

Hello Friends, I am Jaiprakash and work as a Developer in the Jscript team. There is not much to tell about me except one fact – I can’t recall the last time when any of my teammates called me by my name, they just call me JPJ.  I know, you have seen pretty cool blogs…

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Automatic Update for JScript which is part Windows Script 5.7 release

There has been some request and suggestion that when the JScript team feels that there are so many advantages of JScript update which went as part of Windows Script 5.7 release, why this is not being pushed as part of Windows Automatic Update. Well, we do agree that making the JScript DLL (which is part…

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Regular Expression optimization done in Jscript 5.7 release

  I modified my last blog many times. I was really amazed at the kind of response I got on this blog. Thanks for taking time and putting all the comments. Today I am going to talk at length the “Regular Expression” optimization we did in JScript that shipped with Windows Script 5.7 release. I…

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Windows Script 5.7 released for Windows 2000, Windows XP and Windows 2003 Server

I have little announcement to make today. Windows Script 5.7 which ships with different flavors of Windows® Vista is now available for Windows® 2000/XP as well as Windows® 2003 Server. This download will install Microsoft® Windows® Script containing Visual Basic® Script Edition (VBScript.) Version 5.7, JScript® Version 5.7, Windows Script Components, Windows Script Host 5.7,…

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Write better JScript code to execute within Internet Explorer (IE)

This is the first ever blog written by me in my entire life time. Let me take some time to introduce myself. I am Don Raman and work as a Test Lead in Microsoft India Development Center at Hyderabad. A part of my responsibility is to own the testing of JScript native language. I joined…

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