mediumJavaScript
Flatten Nested Array
Given a nested array, flatten it into a single-level array.
The function should support multiple levels of nesting.
Example:
Input: [1,[2,[3,[4]]]]
Output: [1,2,3,4]
Ensure function signatures match starter code to run test cases.
index.js
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Test Case #1
Input: [1,[2,[3,4]]]
Expected: [1,2,3,4]
Test Case #2 (Hidden Case)
Input: [[1],[2],[3]]
Expected: [1,2,3]