Run results for: Local scope vs outer scope variables (fixed)

Run details:

User agent: Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; Lumia 950 Dual SIM) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Edge/14.14393

Browser: Chrome Mobile 51

Operating system: Windows Phone 10.0

Device Platform: Lumia 950

Date tested: 8 years ago

Test name	Executions per second
Do not cache at all	1368652.1 Ops/sec
Cache in the inner scope	1447153.4 Ops/sec

Script Preparation code:

var testVar = 10;

Tests:

Do not cache at all
function doTest1(){ var sum = 0; for (var i = 0; i < testVar; i++){ sum = sum + i; } } doTest1();
Cache in the inner scope
function doTest2(){ var sum = 0; var testVarLocal = testVar; for (var i = 0; i < testVarLocal; i++){ sum = sum + i; } } doTest2();

Run results for: Local scope vs outer scope variables (fixed)

Cache variable in the function scope

Do not cache at all

Cache in the inner scope