Run results for: remove vs display:none

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3321.0 Safari/537.36

Browser: Chrome 65

Operating system: Mac OS X 10.10.1

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
removeChild	40292840.0 Ops/sec
display:none	1328540.0 Ops/sec

HTML Preparation code:

<div id="container"></div>

Script Preparation code:

var container = document.getElementById('container');
ul = document.createElement('ul');
var html = [];
    for ( var i=0; i<2000; i += 1 ) {
  	html.push(`<li>${i}</li>`);
}
 ul.innerHTML = html.join('');
 container.appendChild(ul);

Tests:

removeChild
var element = ul.firstElementChild; while (element) { var element = ul.firstElementChild; element && ul.removeChild(element); }
display:none
ul.style.display = "none";

Run results for: remove vs display:none

removeChild

display:none