JS Functions Flashcards
1
Q
What is a function in JavaScript?
A
a set of statements in a block of code that performs a task, and is executed by invoking
2
Q
Describe the parts of a function definition
A
function myFunc(parameters) {
// code block
return statement
}
3
Q
Describe the parts of a function call
A
myFunc(arguments)
4
Q
When comparing them side-by-side, what are the differences between a function call and a function definition?
A
definition = declaring the function and setting up the code block call = executing the function
5
Q
What is the difference between a parameter and an argument?
A
paramenters are placeholders for values and arguments are the actual values you pass to the function
6
Q
Why are function parameters useful?
A
allow the function to take a value from one scope and pass it to another scope
7
Q
What two effects does a return statement have on the behavior of a function?
A
- lets the function create a value for use in the program
- any code after the return statement is not executed
