Feb 17, 2012 · forEach accepts a callback function and, optionally, a value to use as this when calling that callback (not used above). The callback is called for each element in the array, in …

The forEach method was introduced with lineage to the prototypal inheritance of Array object! Needless to say, the forEach clause works only with those data structure which are Arrays.

Just a note: if you replace forEach with map above, it's then possible to aggregate values. map will then return a list of said values, thus potentially simplifying the code in other ways.

Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code?

Sep 4, 2008 · While an interesting post about the differences of foreach vs for, this does not address the question asked at all, which was " how do I get the index of the current iteration of …

a foreach(item in list) construct allows you to use break or continue if you need to exit the iteration or the loop. But you cannot alter the list inside a foreach loop.

Are there any issues with using async/await in a forEach loop? I'm trying to loop through an array of files and await on the contents of each file. import fs from 'fs-promise' async function print...

I've seen a few different ways to iterate over a dictionary in C#. Is there a standard way?

Aug 18, 2013 · The correct answer is "python collections do not have a foreach ". In native python we need to resort to the external for _element_ in _collection_ syntax which is not what the OP …

The foreach statement repeats a group of embedded statements for each element in an array or an object collection that implements the System.Collections.IEnumerable or …