Run results for: jssplttttttt

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36

Browser: Chrome 85

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
testttttt	66129.2 Ops/sec
tesstttt2	0.1 Ops/sec

Script Preparation code:

var strTxt = Array(100000).fill("@".repeat(128)).join(" "), len = 2;

Tests:

testttttt
var ar = strTxt.matchAll(new RegExp('.{1,'+len+'}','g')); console.log(ar.next().value[0]);
tesstttt2
var ar = []; for(i=0,y=0;i<Math.ceil(strTxt.length/len);i++,y=i*len){ ar[i] = strTxt.slice(y,y+len); } console.log(ar[0]);