Discuss the performance implications of using various looping constructs (e.g., for, forEach, map) for iterating over arrays in JavaScript.

In general, the 'for' loop is the fastest as it directly manipulates the index. However, modern JavaScript engines optimize array iteration, and the performance differences are minimal.

'forEach' and 'map' provide cleaner and more expressive syntax, but 'map' creates a new array. For performance-sensitive operations, 'for' or 'while' loops might be preferable. It's crucial to consider readability and maintainability alongside performance.