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JavaScript challenge · Frontend
Once
Difficulty
easy
Time
~15m
Format
Single
Grading
Auto-graded
#frontend#javascript#typescript#functions#closures
Mission file // read carefullyeasy
Implement a once(fn) wrapper function that restricts the execution of fn to exactly once. Subsequent calls should return the value computed during the first call.
Build with
TypeScriptJavaScript
Hidden test suite
Auto-graded on submit
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