# Performance
Start from base library version 2.11.0. Please remaining backward compatible.
Performance Object for getting performance data and creating performance listeners
# method
# Array Performance.getEntries()
This method returns all the performance data in the current buffer
# Array Performance.getEntriesByType(string entryType)
Gets all of the types in the current buffer [entryType] Performance data
# Array Performance.getEntriesByName(string name, string entryType)
Gets all names in the current buffer as [name] And the type is [entryType] Performance data
# PerformanceObserver Performance.createObserver(function callback)
Create a global performance event listener
# Performance.setBufferSize(number size)
Set the buffer size, Default buffer 30 Bar Performance Data