The foreach loop, added in Java 5 (also called the "enhanced for loop"), is equivalent to using a java.util.Iterator

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 …

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.

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.

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 …

Dec 30, 2008 · What specifically is the question? How to use foreach with a custom object? Or how to write code in the custom object so that foreach can be used on it?

Dec 16, 2016 · What is the major difference between for and foreach loops? In which scenarios can we use for and not foreach and vice versa. Would it be possible to show with a simple …

Dec 30, 2008 · Almost all languages have a foreach loop or something similar. Does C have one? Can you post some example code?

In C#/VB.NET/.NET, which loop runs faster, for or foreach? Ever since I read that a for loop works faster than a foreach loop a long time ago I assumed it stood true for all collections, generic

Aug 18, 2013 · When I meet the situation I can do it in javascript, I always think if there's an foreach function it would be convenience. By foreach I mean the function which is described …