Values to add. Fires change event after adding item(s)
Adds event listener.
Event name
Event handler
Clear data. Fires change event
Returns a string with keys and counts, useful for debugging.
Copy of entries as an array
ProtectedfireFire event
Type of event
Arguments for event
Value to count
Frequency of value, or undefined if it does not exist
Iterator over keys (ie. groups)
Returns {min,max,avg,total}
Value to count
Relative frequency of value, or undefined if it does not exist
Remove event listener
Copy of entries as an array of [key, count]
Iterator over frequency counts
Constructor