fix: typos in JavaScript Algorithms & Data Structures challenges

[tom-raley]

Pre-Submission Checklist

• Your pull request targets the staging branch of freeCodeCamp.
• [x ] Branch starts with either fix/, feature/, or translate/ (e.g. fix/signin-issue)
• [ x] You have only one commit (if not, squash them into one commit).
• All new and existing tests pass the command npm test. Use git commit --amend to amend any fixes.

Type of Change

• [x ] Small bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds new functionality)
• Breaking change (fix or feature that would change existing functionality)
• Add new translation (feature adding new translations)

Checklist:

• Tested changes locally.
• [x ] Addressed currently open issue (replace XXXXX with an issue no in next line)

Closes #18237, #18236, #18235

Description

Fixed minor typos in JavaScript Algorithms & Data Structures challenges

[Nirajn2311]

LGTM 👍 👍

[raisedadead]

Hi @tom-raley

Thanks a lot for taking the time to prepare this. Unfortunately, we are going to have to close this.

The files have since moved to:

https://github.com/freeCodeCamp/freeCodeCamp/blob/next/curriculum/challenges/english/03-front-end-libraries/redux/combine-multiple-reducers.english.md

And

https://github.com/freeCodeCamp/freeCodeCamp/blob/next/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/debugging/use-the-javascript-console-to-check-the-value-of-a-variable.english.md

Can you please make a fresh PR?

Thanks.