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1. Codewars 7 kyu Nice Array JavaScript
this one uses the every() and the some() methods every() info: ...
2. Codewars 7 kyu Flatten and Sort an Array JavaScript
this one uses the concat() method, spread syntax (...), and more concat() info: ...
3. Codewars 7 kyu Adding Arrays JavaScript
this one uses the trim() method trim() info: ...
4. Codewars 7 kyu Adding Arrays JavaScript
this one uses the String() constructor, the split() method, and more String() info: ...
5. Codewars 7 kyu Even Numbers in an Array Javascript
this one uses the push(), slice(), and filter() methods push() info: ...
6. Codewars 7 kyu Find Count of Most Frequent Item in an Array Javascript
this one uses the map() and filter() methods, and more kata link: ...
7. Codewars 7 kyu Name That Number! Javascript
this one uses the String() constructor, a conditional operator, and template literals kata link: ...
8. Codewars 7 kyu Consecutive Items Javascript
this one uses Math.abs() and indexOf() Math.abs() info: ...
9. Codewars 7 kyu All Inclusive Javascript
this one uses the indexOf() and slice() methods kata link:
10. Codewars 7 kyu Convert Hash to an Array Javascript
this one uses a for...in statement, a double for loop, and more kata link: ...
11. Codewars 7 kyu Noisy Cell Counts Javascript
this one uses a for loop, the map() method, and Math.max() static method kata link: ...
12. Codewars 7 kyu makeBackronym Javascript
this one uses a for loop and the toUpperCase() method, and more kata link: ...
13. Codewars 7 kyu Count Consonants Javascript
this one uses double for loops, the replace() method, and more kata link: ...
14. Codewars 7 kyu Maximum Triplet Sum (Array Series #7) JavaScript
this one uses the Set() constructor, the sort() method, and more spread syntax (.
15. Codewars 7 kyu Sort Arrays - 1 Javascript
this one uses the sort() method kata link:
Codewars 7 Kyu Nice Array Javascript Information Guide
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Last Updated: August 11, 2026
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