KeyboardLayoutMap.forEach()

The forEach() method of the KeyboardLayoutMap interface executes a provided function once for each element of the map.

KeyboardLayoutMap.forEach(function callback(currentValue[, index[, array]]) {
    //your iterator
}[, thisArg]);

callback

The function to execute for each element, taking three arguments:

currentValue

The value of the current element being processed.

index Optional

The index of the current element being processed.

array Optional

The KeyboardLayoutMap that forEach() is being called on.

thisArg Optional

Value to use as this (i.e the reference Object) when executing callback.

undefined.