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JavaScript challenge · Frontend
Array.prototype.map
Difficulty
easy
Time
~15m
Format
Single
Grading
Auto-graded
#frontend#javascript#typescript#arrays#higher-order
Mission file // read carefullyeasy
Implement map(arr, fn) mirroring Array.prototype.map: return a new array where each element is fn(value, index, array).
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TypeScriptJavaScript
Hidden test suite
Auto-graded on submit
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