JavaScript Crossword: Arrays & Strings (Modules 21–30)
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
Across
- 1. Creates a new array containing only the elements that pass a test provided by a function. (6)
- 3. Combines every element of an array into a single value using an accumulator function. (6)
- 5. Exits a loop completely, stopping it before it finishes all its passes. (5)
- 7. The number of characters in a string, accessed as a property without parentheses. (6)
Down
- 1. Calls a given function once for every element in an array. (7)
- 2. Returns a new string with all letters converted to uppercase. (11)
- 4. Creates a new array by running a given function on every element of the original array. (3)
- 6. Adds one or more elements to the end of an array, changing the original array. (4)
Answer Key
JavaScript · Modules 21–30
1F
I
L
2T
E
R
O
O
3R
E
D
U
C
E
E
P
A
P
C
E
4M
H
5B
R
E
A
K
C
P
6P
A
U
S
S
7L
E
N
G
T
H
Across
1FILTER — Creates a new array containing only the elements that pass a test provided by a function.
3REDUCE — Combines every element of an array into a single value using an accumulator function.
5BREAK — Exits a loop completely, stopping it before it finishes all its passes.
7LENGTH — The number of characters in a string, accessed as a property without parentheses.
Down
1FOREACH — Calls a given function once for every element in an array.
2TOUPPERCASE — Returns a new string with all letters converted to uppercase.
4MAP — Creates a new array by running a given function on every element of the original array.
6PUSH — Adds one or more elements to the end of an array, changing the original array.