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

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.89 Safari/537.36

Browser: Chrome 53

Operating system: Windows 7

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
Do not cache at all	733706.7 Ops/sec
Cache in the inner scope	5316295.0 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();