Chapter 6
Programming Dynamically!
IN THIS CHAPTER
Understanding dynamic typing
Defining variables
Staying flexible by being dynamic
Making static operations dynamic
Dynamic programming is another one of those buzzwords that really doesn’t have a clear definition. At its loosest, it means developing something in such a way that the program makes more decisions about the way it runs while running, rather than when you compile it.
Scripting languages are a great example of this type of programming. When you write something in JavaScript (https://developer.mozilla.org/docs/Web/JavaScript/Reference), you don’t compile it at all — all the decisions are made at runtime. Ruby (https://www.ruby-lang.org/) is another good example: Most of the time, an entire program can just be typed into a command prompt and run right from there.
When you declare a variable in a dynamically typed language, you don't have to say what type you are making that variable. The compiler will just figure it out ...
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