Run results for: remove vs display:none

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36

Browser: Chrome 88

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
removeChild	3518122.0 Ops/sec
display:none	440706.9 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