We’ve seen the implementation of Array Comprehensions introduced in JavaScript 1.7 where we can easily construct a new array based on the contents of another using a “comprehension.” Comprehensions are great for small arrays without a heavy memory footprint but the reality is that they can be expensive when applied to larger arrays. The main reason for the degradation of performance is attributed to the additional overhead created when computing the result of the comprehension during runtime.
Your new post is loading...