Writing Functions
Parts of a Function
- Declaration: It starts with the
function
keyword. - Name: The identifier for the function like
ninjaController
,lootBox
, etc. - Parameters: Variables listed in parentheses that accept values when the function is called.
- Body: A block of code inside curly braces
{}
which performs the function's actions. - Return Value: Optional statement to output a value. Without it, functions return
undefined
.
Example
ninja.js
index.html
preset.js
-
ninjaController
: Controls the ninja by callinglootBox
twice and moving right four times. -
lootBox
: Defines a set of actions (moving, picking sushi) for the ninja. -
Parameter: Both functions take a ninja object that has methods like
goRight()
,goUp()
, etc.
Each function organizes repeated actions into neat, reusable blocks, keeping your code simple and easy to update.
Swipe to start coding
Solution
Thanks for your feedback!
ninja.js
index.html
preset.js
Ask AI
Ask AI
Ask anything or try one of the suggested questions to begin our chat
Awesome!
Completion rate improved to 3.57
Writing Functions
Swipe to show menu
Parts of a Function
- Declaration: It starts with the
function
keyword. - Name: The identifier for the function like
ninjaController
,lootBox
, etc. - Parameters: Variables listed in parentheses that accept values when the function is called.
- Body: A block of code inside curly braces
{}
which performs the function's actions. - Return Value: Optional statement to output a value. Without it, functions return
undefined
.
Example
ninja.js
index.html
preset.js
-
ninjaController
: Controls the ninja by callinglootBox
twice and moving right four times. -
lootBox
: Defines a set of actions (moving, picking sushi) for the ninja. -
Parameter: Both functions take a ninja object that has methods like
goRight()
,goUp()
, etc.
Each function organizes repeated actions into neat, reusable blocks, keeping your code simple and easy to update.
Swipe to start coding
Solution
Thanks for your feedback!
Awesome!
Completion rate improved to 3.57ninja.js
index.html
preset.js