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New Post: Callbacks for some host objects are not executing

I obtain the window object in DWebBrowserEvents2_Event.NavigateComplete2 event. Following is some stripped down code snippets:public void OnNavigateComplete(object pDisp, ref object URL) { var browser...

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New Post: Callbacks for some host objects are not executing

Thanks. Some more questions as we try to replicate your environment: Where are the browser events coming from? It looks like you're using a native browser control, or perhaps you're working on a...

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New Post: Callbacks for some host objects are not executing

The code is part of a BHO. I subscribe to the events in IObjectWithSite.SetSite For historical reasons. The script is wrapped into a self-executing function which passes window object as the global...

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New Post: Callbacks for some host objects are not executing

Hi frolovm, We don't have a BHO test harness, so we're testing with a simple WPF app that uses the WebBrowser XAML control, which exposes the same underlying COM objects. We can confirm that passing an...

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New Post: Callbacks for some host objects are not executing

Hi again, Further investigation reveals that the MSHTML+JScript implementation of setTimeout requires that the supplied callback be a function within the DOM's private script collection, so it isn't...

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New Post: ClearScript support for .Net4.0

Hi Guys, Wondering if ClearScript would work in it's full glory on .Net 4.0..? The reason I am asking is an requirement to get an App that uses ClearScript to work on Windows XP. Currently, JINT works...

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New Post: ClearScript support for .Net4.0

Hi i2infinity, .NET 4.0 is ClearScript's target platform. As for Windows XP, we've done a small bit of testing with the current version (5.4.4), and it appears to work, but no guarantees :) Some notes:...

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Closed Issue: [BUG] Casting is always required for [S]Byte and [U]Int16...

A numeric argument, if it can be converted to an integer without data loss, should match `System.[S]Byte` and `System.[U]Int16` parameters implicitly if the narrowing conversion doesn't result in...

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Closed Issue: [BUG] JScript for..in loop fails in Standards Mode [94]

It appears that the for/in loop is not working when JScript engine is initialized with WindowsScriptEngineFlags.EnableStandardsMode flag.I tried adding PropertyBag and ExpandoObject as host objects.I...

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Closed Issue: [BUG] Exposed IDispatchEx instances don't support dynamic...

Exposed COM objects that implement `IDispatchEx` should provide full dynamic access (a-la `IPropertyBag`).Comments: Closing resolved issues.

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Closed Feature: [FEATURE] C# direct access to TypedArray data [83]

I have a need to pass large amounts of data back and forth between JavaScript and C#. Ideally I would like to create a Float32Array in JavaScript and then access it as a native array or byte array in...

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New Post: Transfer object as JavaScript object

Hi! We're using ClearScript V8 to render React on the server. Works great, but it slows down a bit when there's a lot of data that needs to be passed to V8. Our current approach is to serialize the...

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New Post: Transfer object as JavaScript object

I changed the code to expose a Dictionary<string, object> on Engine.Script instead, and iterate over that and convert it to a real JS object. But that turned out to be more than twice as slow as...

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New Post: Transfer object as JavaScript object

Hello! You're already doing the right thing by using JSON to minimize hops across the .NET-V8 boundary. Your next optimization might be to minimize your use of V8's JavaScript parser. To that end,...

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New Post: Transfer object as JavaScript object

Thanks for the tip, I'll try it and report back!

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Updated Wiki: Home

Description ClearScript is a library that makes it easy to add scripting to your .NET applications. It currently supports JavaScript (via V8 and JScript) and VBScript.Features Simple usage; create a...

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New Post: Transfer object as JavaScript object

Using JSON.parse instead of embedding the JSON in the call expression didn't make a difference in performance unfortunately. Are there any plans on integrating ClearScript with Chakra now that Chakra...

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New Post: Transfer object as JavaScript object

Hi again, A test that generates large JSON structures (source code here) reveals that V8's JSON parser is 3-4 times as fast as its JavaScript parser, at least when it comes to processing JSON. Consider...

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New Post: Callbacks for some host objects are not executing

Hi, I've created a fork named StandardsPlusMode. It is based on 5.4.3 version of ClearScript. I've made changes to it to enable the latest Javascript features in the JScriptEngine. This is the code I...

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New Post: Callbacks for some host objects are not executing

Hi frolovm, Thanks for sharing your changes. We've reproduced the issue and are investigating. Apparently the limitation mentioned above applies only to legacy JScript, whereas Chakra's requirements...

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