703
students have developed their jq skills on Exercism.

Students
703
Submissions
11,027
Mentoring Discussions
13

The jq track needs attention ⚠️

Building

Build

Use your knowledge to build the jq track itself

Create the jq syllabus

Learn More

Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 20 concepts. Find out more.

Usage statistics

12 concepts being taught
Ba
Basics
160 learnt
Nu
Numbers
109 learnt
St
Strings
107 learnt
Ar
Arrays
74 learnt
Ob
Objects
60 learnt
Va
Variables
51 learnt
Co
Compare
47 learnt
Co
Conditionals
47 learnt
Fu
Functions
44 learnt
Re
Reduce
36 learnt
Re
Recursion
33 learnt
Re
Regular Expressions
43 learnt
11 active learning exercises
Started
Attempts
Completions
Mentoring requests
Shopping List Shopping List
288
3,605 (avg. 12.5)
160 (55.6%)
7 (2.4%)
Assembly Line Assembly Line
119
510 (avg. 4.3)
109 (91.6%)
0 (0.0%)
Log Line Parser Log Line Parser
119
694 (avg. 5.8)
107 (89.9%)
0 (0.0%)
Bird Count Bird Count
76
420 (avg. 5.5)
74 (97.4%)
0 (0.0%)
High Score Board High Score Board
64
612 (avg. 9.6)
60 (93.8%)
0 (0.0%)
Lasagna Lasagna
53
361 (avg. 6.8)
51 (96.2%)
1 (1.9%)
Vehicle Purchase Vehicle Purchase
50
211 (avg. 4.2)
47 (94.0%)
0 (0.0%)
Remote Control Car Remote Control Car
48
261 (avg. 5.4)
44 (91.7%)
0 (0.0%)
Grade Stats Grade Stats
41
133 (avg. 3.2)
36 (87.8%)
0 (0.0%)
Recursive Functions Recursive Functions
35
130 (avg. 3.7)
33 (94.3%)
0 (0.0%)
Regular Chatbot Regular Chatbot
48
606 (avg. 12.6)
43 (89.6%)
0 (0.0%)

Build Test Runners

Learn More

Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Usage statistics

Total Test Runner Runs
11,012
Test Run Pass Rate
25.2% (2773)
Test Run Fail Rate
74.3% (8183)
Test Run Error Rate
0.5% (56)

Build Analyzers

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Build an Analyzer for jq: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.

Build Representers

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Next goal: Build a Representer. Find out more.

Create Practice Exercises

Learn More

Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Next goal: Implement at least 40 practice exercises. Find out more.

Usage statistics

35 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
446
688 (avg. 1.5)
370 (83.0%)
0 (0.0%)
Two Fer Two Fer
67
183 (avg. 2.7)
66 (98.5%)
0 (0.0%)
Raindrops Raindrops
50
305 (avg. 6.1)
43 (86.0%)
0 (0.0%)
Leap Leap
43
101 (avg. 2.3)
41 (95.3%)
0 (0.0%)
Rna Transcription Rna Transcription
27
50 (avg. 1.9)
25 (92.6%)
0 (0.0%)
Darts Darts
37
95 (avg. 2.6)
33 (89.2%)
0 (0.0%)
Resistor Color Resistor Color
39
130 (avg. 3.3)
36 (92.3%)
0 (0.0%)
Resistor Color Duo Resistor Color Duo
31
91 (avg. 2.9)
30 (96.8%)
1 (3.2%)
Reverse String Reverse String
64
187 (avg. 2.9)
62 (96.9%)
1 (1.6%)
Hamming Hamming
49
290 (avg. 5.9)
42 (85.7%)
2 (4.1%)
Collatz Conjecture Collatz Conjecture
36
262 (avg. 7.3)
34 (94.4%)
0 (0.0%)
Bob Bob
28
84 (avg. 3.0)
26 (92.9%)
1 (3.6%)
Nucleotide Count Nucleotide Count
26
83 (avg. 3.2)
23 (88.5%)
0 (0.0%)
Scrabble Score Scrabble Score
23
45 (avg. 2.0)
21 (91.3%)
0 (0.0%)
Space Age Space Age
20
37 (avg. 1.9)
19 (95.0%)
0 (0.0%)
Isogram Isogram
20
57 (avg. 2.9)
19 (95.0%)
0 (0.0%)
ETL ETL
23
93 (avg. 4.0)
22 (95.7%)
0 (0.0%)
Resistor Color Trio Resistor Color Trio
27
101 (avg. 3.7)
22 (81.5%)
1 (3.7%)
Gigasecond Gigasecond
22
92 (avg. 4.2)
21 (95.5%)
0 (0.0%)
Proverb Proverb
23
68 (avg. 3.0)
20 (87.0%)
1 (4.3%)
Run Length Encoding Run Length Encoding
24
36 (avg. 1.5)
15 (62.5%)
0 (0.0%)
Anagram Anagram
20
53 (avg. 2.7)
19 (95.0%)
0 (0.0%)
Transpose Transpose
19
45 (avg. 2.4)
14 (73.7%)
0 (0.0%)
Protein Translation Protein Translation
16
31 (avg. 1.9)
14 (87.5%)
0 (0.0%)
Beer Song Beer Song
15
62 (avg. 4.1)
12 (80.0%)
0 (0.0%)
Square Root Square Root
16
40 (avg. 2.5)
12 (75.0%)
0 (0.0%)
Sieve Sieve
16
36 (avg. 2.3)
12 (75.0%)
0 (0.0%)
Atbash Cipher Atbash Cipher
13
25 (avg. 1.9)
10 (76.9%)
0 (0.0%)
Meetup Meetup
12
33 (avg. 2.8)
9 (75.0%)
0 (0.0%)
Nth Prime Nth Prime
11
19 (avg. 1.7)
8 (72.7%)
0 (0.0%)
Satellite Satellite
15
32 (avg. 2.1)
9 (60.0%)
0 (0.0%)
Knapsack Knapsack
8
8 (avg. 1.0)
6 (75.0%)
0 (0.0%)
Two Bucket Two Bucket
10
10 (avg. 1.0)
7 (70.0%)
0 (0.0%)
Forth Forth
7
6 (avg. 0.9)
5 (71.4%)
0 (0.0%)
Zebra Puzzle Zebra Puzzle
9
6 (avg. 0.7)
4 (44.4%)
0 (0.0%)
80 unimplemented practice exercises
Acronym Acronym
Affine Cipher Affine Cipher
All Your Base All Your Base
Alphametics Alphametics
Armstrong Numbers Armstrong Numbers
Binary Search Binary Search
Binary Search Tree Binary Search Tree
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Circular Buffer Circular Buffer
Clock Clock
Complex Numbers Complex Numbers
Connect Connect
Crypto Square Crypto Square
Custom Set Custom Set
DOT DSL DOT DSL
Diamond Diamond
Difference of Squares Difference of Squares
Dominoes Dominoes
Error Handling Error Handling
Flatten Array Flatten Array
Food Chain Food Chain
Go Counting Go Counting
Grade School Grade School
High Scores High Scores
House House
ISBN Verifier ISBN Verifier
Killer Sudoku Helper Killer Sudoku Helper
Kindergarten Garden Kindergarten Garden
Largest Series Product Largest Series Product
Lens Person Lens Person
Linked List Linked List
List Ops List Ops
Luhn Luhn
Matching Brackets Matching Brackets
Matrix Matrix
Micro Blog Micro Blog
Minesweeper Minesweeper
OCR Numbers OCR Numbers
POV POV
Palindrome Products Palindrome Products
Pangram Pangram
Pascal's Triangle Pascal's Triangle
Perfect Numbers Perfect Numbers
Phone Number Phone Number
Pig Latin Pig Latin
Poker Poker
Prime Factors Prime Factors
Pythagorean Triplet Pythagorean Triplet
Queen Attack Queen Attack
REST API REST API
Rail Fence Cipher Rail Fence Cipher
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Robot Simulator Robot Simulator
Roman Numerals Roman Numerals
Rotational Cipher Rotational Cipher
SGF Parsing SGF Parsing
Saddle Points Saddle Points
Say Say
Scale Generator Scale Generator
Series Series
Simple Cipher Simple Cipher
Simple Linked List Simple Linked List
Spiral Matrix Spiral Matrix
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Sublist Sublist
Sum of Multiples Sum of Multiples
Tournament Tournament
Triangle Triangle
Twelve Days Twelve Days
Word Count Word Count
Word Search Word Search
Wordy Wordy
Yacht Yacht
Zipper Zipper
14 foregone practice exercises
Allergies Allergies
Bank Account Bank Account
D&D Character D&D Character
Grains Grains
Grep Grep
Hangman Hangman
Ledger Ledger
Markdown Markdown
PaaS I/O PaaS I/O
Parallel Letter Frequency Parallel Letter Frequency
Robot Name Robot Name
Secret Handshake Secret Handshake
Tree Building Tree Building
Variable Length Quantity Variable Length Quantity