![]() Every function includes prototype object by default. JavaScript engines perform optimizations so that these arrays are fast. ![]() Array objects grow and shrink dynamically and can have any JavaScript value. To make the application run faster (and follow best practices), we can (re)define the prototype property of the GameObject every instance of GameObject will then reference the methods within GameObject.prototype as if they were their own methods. The prototype is an object that is associated with every functions and objects by default in JavaScript, where function's prototype property is accessible and modifiable and object's prototype property (aka attribute) is not visible. JavaScript typed arrays are array-like objects that provide a mechanism for reading and writing raw binary data in memory buffers. While this probably wouldn’t happen with only 100 objects, it still can serve to be quite a performance hit, as it will need to look up one hundred different objects, rather than just the single prototype object. This is certainly not ideal, as the game will bloat the browsers allocated JavaScript memory, and make it run very slowly. What this will do is create all these objects within memory - all with separate definitions for methods, such as draw and whatever other methods may be required.
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