Node Neighbors

[rodigu]

Welcome to JavaScript community

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Describe your change:

• [v] Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• [v] I have read CONTRIBUTING.md.
• [v] This pull request is all my own work -- I have not plagiarized.
• [v] I know that pull requests will not be merged if they fail the automated tests.
• [v] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [v] All new JavaScript files are placed inside an existing directory.
• [v] All filenames should use the UpperCamelCase (PascalCase) style. There should be no spaces in filenames.
  Example:UserProfile.js is allowed but userprofile.js,Userprofile.js,user-Profile.js,userProfile.js are not
• [v] All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
• [v] If this pull request resolves one or more open issues then the commit message contains Fixes: #{$ISSUE_NO}.

[ruppysuppy]

update the loop body & the associated functions used