JScript Blog

Blogs from the JScript team in Microsoft

Steps Toward Creating Compatible ECMAScript 5 Implementations

As we’ve discussed in the past, Microsoft has been actively involved in the developing the...

Author: GauravS Date: 06/29/2009

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...

Author: GauravS Date: 06/22/2009

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...

Author: GauravS Date: 06/22/2009

Versioning Language Features in JScript

With Internet Explorer 8 we introduced several new JScript language features including native JSON...

Author: GauravS Date: 04/16/2009

A Major Milestone in JavaScript Standardization

In the world of web standards, JavaScript is known as ECMAScript and maintenance of its definition...

Author: GauravS Date: 04/09/2009

What’s new in JScript for IE8

During Beta1 and Beta2 pre-releases of IE8, we’ve blogged about the performance optimizations done...

Author: GauravS Date: 03/24/2009

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...

Author: GauravS Date: 03/19/2009

Internet Explorer 8 Release Candidate Now Available

Internet Explorer 8 Release Candidate Is Now Available. Here is post that would help you Upgrade to...

Author: GauravS Date: 01/26/2009

JScript Debugger in Internet Explorer 8 Beta 2

In Internet Explorer 8 Beta 2 JScript team has focused on improving developer productivity. You can...

Author: deepak.jain Date: 09/17/2008

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

The 4th episode of the Open Web Podcast featured Allen, Pratap , Dion, and John discussing the Open...

Author: don.raman Date: 09/11/2008

ECMAScript 3 and beyond - the road to "Harmony"

The current ECMAScript specification was completed in 1999 and certainly needed to be updated to...

Author: don.raman Date: 08/20/2008

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...

Author: MSDN Archive Date: 04/23/2008

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...

Author: MSDN Archive Date: 04/09/2008

Reading XML File With JScript

I am Titus working as a SDET in JScript team. Sometime back I came across a situation where the...

Author: MSDN Archive Date: 04/02/2008

Performance Optimization of Arrays - Part I

Hello Friends, Have you observed better performance of Array operations in IE8 than IE7? If not, try...

Author: MSDN Archive Date: 03/26/2008

Insight into String Concatenation in JScript

Hello Friends, Have you read my post on the String Concatenation issue? If yes, then I can sense...

Author: MSDN Archive Date: 03/19/2008

IE8 Script Debugger - Under the Hood

IE8 Beta1 (download available here) now includes a Script debugger that is part of IE8 Developer...

Author: Sheetal Date: 03/18/2008

JScript Debugger in Internet Explorer 8

As Shreesh mentioned in his blog, Internet Explorer 8 has a built-in JScript debugger. With Internet...

Author: deepak.jain Date: 03/13/2008

JScript in Internet Explorer 8 Beta 1 for Developers

Making developers more productive through the design, development, and debug phases of web...

Author: MSDN Archive Date: 03/05/2008

Thank you - Smartsheet !

We are constantly looking to engage with our customers on this blog and understand their...

Author: don.raman Date: 01/22/2008

JScript errors as warnings in Visual Studio 2008 RTM

Now Visual Studio 2008 code named Orcas is out of door with incredible features. The most highly...

Author: rneela Date: 12/31/2007

JScript Performance Update for IE6 users

Sometime back Don blogged about Windows Script 5.7 release. We got lots of feedback on this, people...

Author: Suresh Jayabalan Date: 11/29/2007

ECMAScript, Mashups, and Security

A mashup composes a web application by combining programs and data services from multiple...

Author: don.raman Date: 11/29/2007

Writing for JScript Intellisense in VS 2008

Since we release JSript intellisense in Visual Studio 2008 Beta 2, there has been some queries on...

Author: Sameerch Date: 11/08/2007

Classes in JScript – Part III: Class Hierarchy and Data Encapsulation

In this post I will be discussing how one can achieve Class Hierarchy and Data Encapsulation in...

Author: don.raman Date: 10/31/2007

ECMAScript 3 and beyond

The web has become the primary global computing platform tying together hundreds of millions of...

Author: don.raman Date: 10/29/2007

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...

Author: shivaram.p Date: 10/17/2007

Classes in JScript – Part II: Instance Properties / Methods & Class Properties / Methods

In this post I will discuss more about the Instance Properties & Instance Methods and Class...

Author: don.raman Date: 09/30/2007

Appropriate forums to ask questions regarding JScript.

We have created new forum for asking questions related to JScript. The forum link is given below:...

Author: don.raman Date: 09/25/2007

Javascript Intellisense and Coloring Issues in VS 2008 Beta 2

We have come across a couple of installation issues in VS 2008 Beta 2 which broke the new Javascript...

Author: Sameerch Date: 09/24/2007

Classes in Jscript - Part I

I am Ritesh Parikh and have recently moved to Jscript team as a SDET. While starting on Jscript I...

Author: don.raman Date: 09/24/2007

Jscript Run Time Fix for DST 2007 in United States.

Let me take some time to introduce myself. My name is Titus and I am a SDET in JScript team. Today I...

Author: don.raman Date: 09/18/2007

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...

Author: don.raman Date: 09/15/2007

JScript - Managed or Native, JavaScript, ECMAScript - What's what? And references ...

Being a late entrant into the group, I always had questions regarding what’s what of JScript -...

Author: GauravS Date: 09/07/2007

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....

Author: don.raman Date: 09/05/2007

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...

Author: don.raman Date: 08/12/2007

Javascript Intellisense in VS 2008 for Silverlight 1.0

Javascript Intellisense is one of the major improvements in Visual Studio 2008 Beta 2. There is a...

Author: Sameerch Date: 08/07/2007

JScript Syntax Check in Visual Web Developer 2008 Beta2

Visual Web Developer 2008 Beta2 got announced some days back. Lots of authoring enhancement has been...

Author: don.raman Date: 08/03/2007

More Javascript Intellisense with Visual Studio 2008 Beta 2

Previous release of Visual Studio "Orcas" debuted the much awaited feature of Javascript...

Author: Sameerch Date: 08/01/2007

Visual Studio 2008 Beta 2 Released!

You probably know by now. Microsoft has announced the release of Visual Studio 2008 Beta 2 and...

Author: Sameerch Date: 08/01/2007

Scope chain of JScript Functions

Scope chain of JScript functions is something programmers find it difficult to understand easily....

Author: don.raman Date: 07/26/2007

Using Jscript based IE Add-On to export data from any website

Often times we browse to a website which has lot of data in tabular format, or we login to secure...

Author: rajesh.bhutani@microsoft.com Date: 07/23/2007

Introducing Managed JScript

It's finally released and I can blog about it. Have been waiting to write about it for some time now...

Author: jitu Date: 05/07/2007

Managed JScript announced

At MIX07 we released a new implementation of JavaScript on top of Dynamic Language Runtime (DLR) as...

Author: deepak.jain Date: 05/04/2007

Legacy IE-JScript circular memory leak problem being worked out.

People are already aware of IE-JScript circular memory leak problem. Let me take some time and...

Author: don.raman Date: 05/01/2007

Jscript debugging: Stepwise instructions and video

If you are interested in debugging your Jscript code, then you can use Visual Web Developer (VWD)...

Author: rajesh.bhutani@microsoft.com Date: 04/24/2007

JScript Authoring Support in Visual Studio "Orcas" - Part II

Last month, I talked about the new Intellisense for the JScript language. Well, the March CTP is...

Author: Sameerch Date: 03/02/2007

Watch out for JScript Authoring Support in Visual Studio "Orcas" - Part I

Hello, I am Sameer Chabungbam. For living, I work as a Program Manager in the JScript team at...

Author: Sameerch Date: 02/10/2007

IE Addon - Send selected text as email to anyone in Internet Explorer

We have come up with an addon for Internet Explorer. This add-on adds context sensitive menu when...

Author: don.raman Date: 01/31/2007

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...

Author: don.raman Date: 01/24/2007

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