Ahh, indeed! Well, with reduce-concat timing became the same as arr1 = arr1.concat :(
console.time('how long'); var arBig = [...Array(10000).keys()].reduce( function(acc, val) { return acc.concat(arr2); }, arr1); console.log(arBig.length); console.timeEnd('how long');
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
Confirm
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Ahh, indeed!
Well, with reduce-concat timing became the same as arr1 = arr1.concat :(