Remove a Field

Immutable Stateeasy

Course · Section 9: Data Structures, Modern Operators and Strings · Lecture 111: The Spread Operator (...)

Implement `removeField(state, key)` returning a new object without `key`.

Input: removeField({"a":1,"b":2}, "a")

Output: {"b":2}

Input: removeField({"a":1}, "x")

Output: {"a":1}

+ 1 hidden test run on Submit.

Common pitfalls

Approach & explanation (try first)

Copy with { ...state } and delete the key from the copy so the original state object is never touched.

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