#JAVA SCRIPT STUDIO FULL#
Once you do this you'll get full intellisense for all of the JavaScript libraries and type-library patterns inside ASP.NET AJAX.
JS file (if you are manually including it in your project), or add a element with a name value if the library is being dynamically output by the control on the host page: To reference the ASP.NET AJAX client side JavaScript libraries, you can either add a that points to your own copy of the. This ends up being super useful when partitioning your JavaScript routines across multiple files. Once you do this, you'll get full intellisense support for those methods and variables: You can tell Visual Studio to provide intellisense for the "Util.js" library within the "MyLibrary.js" file by adding a /// comment at the top of the external library.
#JAVA SCRIPT STUDIO CODE#
The JavaScript code within the "MyLibrary.js" javascript file will be able to call the methods declared within the Util.js file. One of the interesting characteristics about external JavaScript files is that they can call and use the JavaScript functions and variables declared within other JavaScript files that a page loads.įor example, if we declare two external Javascript files referenced on a page like so: Obviously you get full intellisense support within external JavaScript files, just like you do within script blocks inside. Intellisense within External JavaScript files For more details about the comment format that both VS and ASP.NET AJAX support, please read Bertrand Le Roy's post here. We'll provide a tool that then allows you to automatically strip out your comments (and compress the whitespace and size) of your JavaScript once you've finished building your application. For example, I could add the below comments to the getMessage function in my util.js file:Īnd when I then code against it within my "Default.aspx" file Visual Studio will automatically display this summary information for the method:
You can optionally make this intellisense richer by adding comments to your JavaScript code that the intellisense engine can then pick up and use when you consume a method or library. Notice how VS automatically provides basic parameter intellisense information on the method without us having to do anything special to the JavaScript for it to appear:Īs you saw above, Visual Studio will automatically provide basic intellisense help information for the method name and parameters of standard JavaScript. I can then simply add a standard JavaScript script refrence element to my page, and I will then automatically receive intellisense support for it as I code: For example, assume we have a "getMessage" function like below defined within a "Util.js" javascript file: VS 2008 supports intellisense not just for in-line script, but also for externally referenced JavaScript files. Intellisense for External JavaScript Libraries If I later assign a numeric value to the "myElement" variable (which in JavaScript converts it to a number), notice how VS will detect this and now provide integer intellisense for the variable later in the method:
Visual Studio 2008 adds support for type inference, which means that it evaluates and computes how a JavaScript block is being used and dynamically infers the variable usage and type information of the code to provide accurate intellisense support.įor example, Visual Studio below will infer that an html element is being retrieved by the document.getElementById() method, and provide appropriate html element intellisense for the variable result: JavaScript is a dynamic language, and doesn't support explicit type declarations, which has made implementing good intellisense difficult in the past. One of the things you'll notice immediately when you start typing within a script block is the richer support that Visual Studio 2008 now has for JavaScript keywords and language features:
#JAVA SCRIPT STUDIO FREE#
This is enabled in both the free Visual Web Developer 2008 Express edition as well as in Visual Studio, and makes using JavaScript and building AJAX applications significantly easier.īelow is a quick tour of some of the new JavaScript intellisense features to take advantage of: JavaScript Type Inference One of the features that web developers will really like with VS 2008 is its built-in support for JavaScript intellisense.
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