NWSAPI Benchmark Tool
Choose a preset selector group
START
STOP
Every selector engine gets its own isolated iframe
Each iframe is destroyed and reset after being used
Tests are performed on a copy of W3C Selectors page
Based on ideas & concepts seen in Mootools Slickspeed
Uses the awesome
Benchmark.js
benchmarking library
Colors Legend
faster selection
slower selection
exception thrown
different result