Run results for: for..of

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0

Browser: Firefox 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Script Preparation code:

var arr = new Array(10000).map(()=>Math.random())

Tests:

0
var sum=''; for(const item of arr){ sum+=item; }
1
var sum=''; for(let i=0; i<arr.length; i++){ sum+=arr[i]; }
2
var sum=''; for(let i=0, len=arr.length; i<len; i++){ sum+=arr[i]; }
3 + get link
var sum=''; let arrs = arr; for(let i=0, len=arrs.length; i<len; i++){ sum+=arrs[i]; }
4 + get link
var sum=''; let arrs = arr; for(const item of arrs){ sum+=item; }