Custom Observable class with map and filter operators support (retired)

2135% of 1020ViktorSoroka
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Design Patterns
Design Principles


CreatedMay 23, 2019
Warriors Trained96
Total Skips0
Total Code Submissions240
Total Times Completed20
JavaScript Completions20
Total Stars2
% of votes with a positive feedback rating35% of 10
Total "Very Satisfied" Votes2
Total "Somewhat Satisfied" Votes3
Total "Not Satisfied" Votes5
Total Rank Assessments8
Average Assessed Rank
5 kyu
Highest Assessed Rank
1 kyu
Lowest Assessed Rank
8 kyu