Run results for: for vs do while 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
//1.case For i	6185278.5 Ops/sec
2 do while	311195.9 Ops/sec

Script Preparation code:

var newBody = document.createElement("div");


for (let i; i < 1000; i++) {
	var divAdded = document.createElement("div");
	divAdded.classList.add("ggclass");
	newBody.appendChild(divAdded);
}

Tests:

//1.case For i
var case1 = document.getElementsByClassName("ggclass"); for (var i = 0; i < case1.length; i++) { // 반복할 내용 console.log(case1[i]); }
2 do while
var case1 = document.getElementsByClassName("ggclass"); do { console.log(case1[i]); i++ } while (i < case1.length);

Run results for: for vs do while 2

//1.case For i

2 do while