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Programming Reactive Extensions and LINQ by Paul Betts, Jesse Liberty

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Using a Browser Console to Explore RxJS

One of the best ways to explore RxJS is to use the Developer Tools built into most browsers. For Firefox, you should install an add-in called Firebug to get these tools, which typically include a console window. This allows you to simply type code in, one line at a time, and see the result—dynamic language programmers usually call this a REPL (from Lisp's “Read-Eval-Print Loop”).

Some browsers also have useful features that make the Console easier to use, such as auto-completing method names, or allowing you to browse the contents of objects that are returned. One function that is particularly useful for playing with RxJS (though not compatible on all browsers), is console.log(), which is equivalent to ...

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