Microsoft AJAX Library - Introducing JSON | |
Introducing JSON In AJAX applications client server communication is usually packed in XML documents or in the JSON JavaScript Object Notation format Interestingly enough JSON s popularity increased together with the AJAX phenomenon although the AJAX acronym includes XML mosgoogle JSON is the format
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Microsoft AJAX Library - Inheritance using Prototypes | |
Inheritance using Prototypes Once again prototyping can help us implement an OOP feature in a more elegant way than when using closures Prototype based inheritance makes use of the behavior of JavaScript prototypes When accessing a member of a function that member will be looked for in the function
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Microsoft AJAX Library - Inheritance using Closures | |
Inheritance using Closures and Prototypes There are two significant techniques for implementing the OOP concept of inheritance with JavaScript code The first technique uses closures and the other technique makes use of a feature of the language named prototyping Early implementations of the Microsof
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Microsoft AJAX Library - JavaScript Execution Context | |
JavaScript Execution Context In this section we ll take a peek under the hood of the JavaScript closures and the mechanisms that allow us to create classes objects and object members in JavaScript For most cases understanding these mechanisms isn t absolutely necessary for writing JavaScript code&am
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Microsoft AJAX Library - Creating Object Members on the Fly | |
Creating Object Members on the Fly One major difference between OOP in C and ASP NET and OOP in JavaScript is that JavaScript allows creating object members on the fly" This is true for objects and classes that you create yourself and also for JavaScript s own objects and types as well He
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Microsoft AJAX Library - Associative Arrays | |
Thinking of Objects as Associative Arrays A key element in understanding JavaScript objects is understanding the notion of associative arrays which are nothing more than collections of key value pairs As a NET developer you have worked with associative arrays represented by classes such as NameValue
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Microsoft AJAX Library - C# and JavaScript Classes | |
C and JavaScript Classes For the purpose of demonstrating a few more OOP related concepts we ll use another class Our new class is named Table and it has two public fields rows columns and one method getCellCount The getCellCount method should return the number of rows multiplied by the number of co
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Microsoft AJAX Library - JavaScript Classes | |
JavaScript Classes Not only can JavaScript functions contain other functions but they can also be instantiated This makes JavaScript functions a good candidate for implementing the concept of a class from traditional object oriented programming This is very helpful feature indeed because JavaScript
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Microsoft AJAX Library - Anonymous Functions | |
Anonymous Functions Anonymous functions can be created adhoc and used instead of a named function Although this can hinder readability when the function is more complex you can do this if you don t intend to reuse a function s code In the following example we pass such an anonymous function to Displ
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Microsoft AJAX Library - Functions as Variables | |
Functions as Variables In JavaScript functions are first class objects This means that a function is regarded as a data type whose values can be saved in local variables passed as parameters and so on For example when defining a function you can assign it to a variable and then call the function thr
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