Expressions and Operators Functions
1.What is control flow?
The control flow is the order in which the computer executes statements in a script. Control flow means that when you read a script, you must not only read from start to finish but also look at program structure and how it affects order of execution.
2.What is a JavaScript function?
A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when "something" invokes it (calls it).
3.What does it mean to invoke - or call - a function?
The code inside the function will execute when "something" invokes (calls) the function:
- When an event occurs (when a user clicks a button)
- When it is invoked (called) from JavaScript code
- Automatically (self invoked)
4.What are the parenthesis () for when you define a function?
The parentheses may include parameter names separated by commas.