Run results for: For loop var i init hoisted or in parenthesis

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_5 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13G36 Safari/601.1

Browser: Mobile Safari 9

Operating system: iOS 9.3.5

Device Platform: iPhone

Date tested: 8 years ago

Test name	Executions per second
Hoisted	235687.0 Ops/sec
inparens	233063.0 Ops/sec

Script Preparation code:

var arr = ["asd","244","4443","2356","4826374","248","asd","244","4443","2356","4826374","248","asd","244","4443","2356","4826374","asd","244","4443","2356","4826374","248"];
function hoisted() {
  var i=0;
  for(;i<arr.length;i++) {
    var temp = i;
  }
}
function inparens() {
  for(var i=0;i<arr.length;i++) {
    var semp = i;
  }
}

Tests:

Hoisted
hoisted();
inparens
inparens();

Run results for: For loop var i init hoisted or in parenthesis

Hoisted

inparens