Run results for: scrollTop vs scrollTo vs scrollBy vs scroll

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.4.1

Device Platform: Mobile

Date tested: 7 months ago

Test name	Executions per second
window.scrollTo	62222.4 Ops/sec
TEST_Body_DOM.scrollTop =	65260.9 Ops/sec
TEST_Body_DOM.scrollTo	58896.7 Ops/sec
TEST_Body_DOM.scroll	57417.4 Ops/sec
window.scroll	55047.1 Ops/sec
window.scrollBy	58991.1 Ops/sec
TEST_Body_DOM.scrollBy	56382.0 Ops/sec

HTML Preparation code:

<body style="height: 999999px;">

Script Preparation code:

TEST_Body_DOM = document.body;

Tests:

window.scrollTo
window.scrollTo(0, 999999); window.scrollTo(0, 499999); window.scrollTo(0, 0);
TEST_Body_DOM.scrollTop =
TEST_Body_DOM.scrollTop = 999999; TEST_Body_DOM.scrollTop = 499999; TEST_Body_DOM.scrollTop = 0;
TEST_Body_DOM.scrollTo
TEST_Body_DOM.scrollTo(0, 999999); TEST_Body_DOM.scrollTo(0, 499999); TEST_Body_DOM.scrollTo(0, 0);
TEST_Body_DOM.scroll
TEST_Body_DOM.scroll(0, 999999); TEST_Body_DOM.scroll(0, 499999); TEST_Body_DOM.scroll(0, 0);
window.scroll
window.scroll(0, 999999); window.scroll(0, 499999); window.scroll(0, 0);
window.scrollBy
window.scrollBy(0, 999999); window.scrollBy(0, -499999); window.scrollBy(0, -500000);
TEST_Body_DOM.scrollBy
TEST_Body_DOM.scrollBy(0, 999999); TEST_Body_DOM.scrollBy(0, -499999); TEST_Body_DOM.scrollBy(0, -500000);

Run results for: scrollTop vs scrollTo vs scrollBy vs scroll

window.scrollTo

TEST_Body_DOM.scrollTop =

TEST_Body_DOM.scrollTo

TEST_Body_DOM.scroll

window.scroll

window.scrollBy

TEST_Body_DOM.scrollBy