Run results for: Math.abs speed

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.1.1

Device Platform: Mobile

Date tested: 5 months ago

Test name	Executions per second
Math.abs access	14317100.0 Ops/sec
abs function	19600830.0 Ops/sec
compare	19431200.0 Ops/sec
bitshift	13248170.0 Ops/sec

Script Preparation code:

var x = -200000
var abs = Math.abs

Tests:

Math.abs access
Math.abs(x)
abs function
abs(x)
compare
x < 0 ? -x : x
bitshift
(x ^ (x >> 31)) - (x >> 31)

Run results for: Math.abs speed

Math.abs access

abs function

compare

bitshift