Lazy instantiation
If you go into a high-end coffee shop and place an order for some overly complex beverage (Grande Chai Tea Latte, Three Pump, Skim Milk, Lite Water, No Foam, Extra Hot anybody?), then that beverage is going to be made on the fly and not in advance. Even if the coffee shop knew what all the orders that were going to come in that day would be, they would still not make all the beverages up front. Firstly, because it would result in a large number of ruined, cold beverages, and secondly, it would be a very long time for the first customer to get their order if they had to wait for all the orders of the day to be completed.
Instead coffee shops, follow a just-in-time approach to craft beverages. They make them when they're ordered. ...
Get Mastering JavaScript Design Patterns now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
