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London | 26-ITP-Sep | Mahir Shah | Sprint 1 | Data Groups - #1481

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MahirShah300 wants to merge 23 commits into
CodeYourFuture:mainfrom
MahirShah300:Sprint-1
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MahirShah300 wants to merge 23 commits into
CodeYourFuture:mainfrom
MahirShah300:Sprint-1

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@MahirShah300

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Learners, PR Template

Self checklist

  • I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
  • My changes meet the requirements of the task
  • I have tested my changes
  • My changes follow the style guide

Task code

CYF-1071

Changelist

Implemented tests and functions.

@MahirShah300 MahirShah300 added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Oct 30, 2026
@cjyuan cjyuan added Review in progress This review is currently being reviewed. This label will be replaced by "Reviewed" soon. and removed Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. labels Nov 4, 2026
Comment thread Sprint-1/fix/median.js Resolved
Comment thread Sprint-1/implement/dedupe.js Resolved
Comment thread Sprint-1/implement/dedupe.test.js Resolved
Comment thread Sprint-1/implement/describe-median.js Resolved
Comment thread Sprint-1/implement/max.js Outdated
Comment on lines +19 to +21
sortedElements = elements.toSorted((a, b) => a - b);

return sortedElements[sortedElements.length - 1];

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This work.

Suggestion: Explore a more efficient approach to find the largest numbers in an array.

@MahirShah300 MahirShah300 Nov 7, 2026 •

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Used Math.max(...elements) as a more efficient method

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Note: Math.max() works well for numbers.

It is equally important to know how to use a loop to find the extreme value within an array without sorting. Do you know how to implement such a loop? (No change required)

Comment thread Sprint-1/implement/mean.js Resolved
Comment thread Sprint-1/implement/sum.test.js Resolved
Comment thread Sprint-1/refactor/includes.js Resolved
@cjyuan cjyuan added Reviewed Volunteer to add when completing a review with trainee action still to take. and removed Review in progress This review is currently being reviewed. This label will be replaced by "Reviewed" soon. labels Nov 4, 2026
@MahirShah300 MahirShah300 removed the Reviewed Volunteer to add when completing a review with trainee action still to take. label Nov 7, 2026
@MahirShah300 MahirShah300 added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Nov 7, 2026

@cjyuan cjyuan left a comment

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Changes look good.

Just one more question.

Comment thread Sprint-1/fix/median.js
(currentValue) =>
typeof currentValue === "number" && !Number.isNaN(currentValue)
(value) =>
typeof value === "number" && !Number.isNaN(value) && Number.isFinite(value)

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Could you find out which of these checks are redundant?

@cjyuan cjyuan added Reviewed Volunteer to add when completing a review with trainee action still to take. and removed Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. labels Nov 7, 2026
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2 participants