Run results for: Check if in DOM

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36

Browser: Chrome 77

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

HTML Preparation code:

<div id="a">
<div id="b">
  <div id="c">
Test
    </div>
</div>
</div>

Script Preparation code:

var c = document.getElementById('c');
document.getElementById('b').innerHTML = '';

Tests: