Run results for: avith find first last of week

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
native week first last	1434297.1 Ops/sec
dayjs week first last	598580.9 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/dayjs@1/dayjs.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/dayjs@1/locale/ja.js"></script>

Tests:

native week first last
const base = new Date() const firstDate = (new Date(base)).setDate(base.getDate() - base.getDay()); const lastDate = (new Date(base)).setDate(base.getDate() + (7 - (base.getDay() + 1)));
dayjs week first last
const base = new dayjs() const firstDate = base.startOf('week'); const lastDate = base.endOf('week');