Run results for: getElementById, querySelector, querySelectorAll and with if

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:81.0) Gecko/20100101 Firefox/81.0

Browser: Firefox 81

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 4 years ago

HTML Preparation code:

<div id="test">Test</div>

Tests:

getElementById
document.getElementById("test");
querySelector
document.querySelector("#test")
querySelectorAll
document.querySelectorAll("#test")
with iF
var sel = '#test'; if (sel[0] === '#') { document.getElementById("test"); } else { document.querySelectorAll("#test") }