chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-input-element/range-setattribute-value-ref.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>range input element setAttribute value appearance</title>

<p>Test passes if the range element below visually has its slider at 2/10 from the left</p>

<input type=range min=0 max=10 value=2></input>