Run results for: var vs document.body

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.139 Safari/537.36 OPR/53.0.2907.37

Browser: Opera 53

Operating system: Windows

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
var	95191.4 Ops/sec
document.body	87675.1 Ops/sec

HTML Preparation code:

<div class="test"></div>
<div class="test2"></div>
<div class="test3"></div>

Tests:

var
var db = document.body; db.querySelectorAll(".test") db.querySelectorAll(".test2") db.querySelectorAll(".test3")
document.body
var db = document.body; document.body.querySelectorAll(".test") document.body.querySelectorAll(".test2") document.body.querySelectorAll(".test3")