4 ms·
Right. Show me the compiled object code and tell me how much faster it is. "Debugging is twice as hard as writing the code in the first place. Therefore, if y
by joezydeco 9y ago
Right. Show me the compiled object code and tell me how much faster it is.
"Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it."
— Brian W. Kernighan and P. J. Plauger in The Elements of Programming Style.
- hdhzy 9y agoWell if you're comparing for loop to reduce or map in JavaScript then for will always win as it is a built in language construct and reduce involves costly callbacks. Interesting that the difference is only 7% on my Chrome for Android [0]. [0]: https://jsperf.com/foreach-vs-reduce-vs-for-loop https://jsperf.com/foreach-vs-reduce-vs-for-loop For loops have also an advantage that they can be used with yield and await (generators and async functions) while you cannot place these keywords inside a callback function.