JavaScript Crossword: Advanced JavaScript (Modules 41–52)
Name:
Date:
Class:
✎
Crossword
Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.
1
2
3
4
5
6
7
8
9
Across
- 1. Creates a new ______, a built-in object that stores only unique values. Word 2 of: ___ ___() (3)
- 4. Creates a ______ Map, a built-in object that stores key-value pairs. Word 1 of: ___ Map() (3)
- 6. The area of code where a variable can be accessed; variables declared inside a function are local to it. (5)
- 8. Runs code in a ______ block, and if an error occurs, runs the ______ block instead of crashing. Word 1 of: ___..._____ (3)
- 9. Word 2 of the term in 8 Across: ___..._____ (5)
Down
- 1. Converts a JavaScript value into a JSON-formatted string. Word 2 of: JSON._________() (9)
- 2. Creates a custom error and immediately stops the current code from running further. (5)
- 3. Lets a class inherit properties and methods from another class. (7)
- 5. A function declared inside a class body, called on an instance using dot notation. (6)
- 7. Declares a blueprint for creating objects with shared properties and methods. (5)
Answer Key
JavaScript · Modules 41–52
1S
E
2T
3E
T
H
X
R
R
T
I
O
E
4N
E
W
N
G
D
5M
I
6S
7C
O
P
E
F
L
8T
R
Y
9C
A
T
C
H
S
O
S
D
Across
1SET — Creates a new ______, a built-in object that stores only unique values. Word 2 of: ___ ___()
4NEW — Creates a ______ Map, a built-in object that stores key-value pairs. Word 1 of: ___ Map()
6SCOPE — The area of code where a variable can be accessed; variables declared inside a function are local to it.
8TRY — Runs code in a ______ block, and if an error occurs, runs the ______ block instead of crashing. Word 1 of: ___..._____
9CATCH — Word 2 of the term in 8 Across: ___..._____
Down
1STRINGIFY — Converts a JavaScript value into a JSON-formatted string. Word 2 of: JSON._________()
2THROW — Creates a custom error and immediately stops the current code from running further.
3EXTENDS — Lets a class inherit properties and methods from another class.
5METHOD — A function declared inside a class body, called on an instance using dot notation.
7CLASS — Declares a blueprint for creating objects with shared properties and methods.