“The large number of acknowledgments is because we’re testing the theory that everyone mentioned in a book acknowledgment will buy at least… — Eric Freeman Copy Share Image
“The NoCommand object is an example of a null object. A null object is useful when you don’t have a meaningful object… — Eric Freeman Technology Copy Share Image
“To write code this way, you need to consider the events that can happen, and how your code should react. Computer science… — Eric Freeman Computer science Copy Share Image
“When you pass a primitive value it is copied into the parameter. We call this “passing by value.” So if you change… — Eric Freeman Technology Copy Share Image
“JavaScript has a very powerful object model, but one that is a bit different than the status quo object-oriented language. Rather than… — Eric Freeman Status quo Copy Share Image
“When I’m loading a page from my computer, like we are in these exercises, what is my origin? A: A: Good question.… — Eric Freeman Computers Copy Share Image
“You see, now that we have a prototype, if we add any methods to that prototype, even after we’ve already created dog… — Eric Freeman Habits Copy Share Image
“Q: Q: You said getElementsByTagName returns a list. Do you mean an array? A: A: It returns an object that you can… — Eric Freeman Technology Copy Share Image
“when you send an object the worker gets a copy of it. Any changes the worker makes will not affect the object… — Eric Freeman Technology Copy Share Image
“JavaScript creates all local variables at the beginning of a function whether you declare them or not (this is called “hoisting” and… — Eric Freeman Technology Copy Share Image
