CLEAN : Bolivia destroys illegal coca reserve
Interactive Video
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Other
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1st - 2nd Grade
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Practice Problem
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Hard
Wayground Content
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a closure in programming?
A function bundled with its lexical environment
A way to declare variables
A type of loop structure
A method for sorting data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes how closures work?
They are a type of conditional statement.
They are used to initialize arrays.
They are used to close files in a program.
They allow a function to access variables from an outer function even after the outer function has finished executing.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one practical application of closures?
To manage database connections
To format strings
To handle exceptions
To create private variables in JavaScript
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are closures important in functional programming?
They enable functions to have persistent state
They simplify syntax
They increase execution speed
They reduce memory usage
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do closures benefit asynchronous programming?
They simplify error handling
They allow functions to remember their context
They reduce the need for comments
They make code run faster
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