Feb 17, 2012 · How can I loop through all the entries in an array using JavaScript?

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.

Jun 7, 2011 · While forEach and every (as I understand it) can be hacked to return true on the first element it finds, it will still run through the entire array. Secondly, Javascript doesn't perform …

141 Quoting from the MDN documentation of Array.prototype.forEach(): There is no way to stop or break a forEach() loop other than by throwing an exception. If you need such behaviour, the …

How to break out from foreach loop in javascript [duplicate] Asked 9 years, 2 months ago Modified 5 years, 3 months ago Viewed 153k times

Jul 14, 2015 · JavaScript's forEach works a bit different from how one might be used to from other languages for each loops. If reading on the MDN, it says that a function is executed for each of …

But how do I get the loop counter/index when iterating with this syntax? (With the same question applying to for...in notation for iterating over object property names)

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 difference between the for () loop and the forEach () method To show the difference between these two approaches (the for () loop and forEach () method), let’s introduce a new element in …

I think that example can be confuse, because var json is not a JSON object, but an array. In this case, .forEach works well, but when you use a json object, it doesn't work.