Run results for: JQuery new div element with class - 1k reps

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36 OPR/71.0.3770.271

Browser: Opera 71

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
JQuery - direct + class	49.5 Ops/sec
JQuery - cloneNode + class	526.9 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js'></script>

Tests:

JQuery - direct + class
var list = [], n = 0; var newDiv = function(){ return $('<div class="test">'); } while(true) { n++; list.push(newDiv()); if(n===1000) break; }
JQuery - cloneNode + class
var list = [], n = 0, node = document.createElement('div'); var newDiv = function(){ var newNode = node.cloneNode(false); node.className = [].slice.call(arguments).join(' '); return $(node); } while(true) { n++; list.push(newDiv("test")); if(n===1000) break; }