File size: 1,500 Bytes
1e92f2d |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 |
import React, { useEffect, useState } from 'react';
import { Anchor, Col, Row } from 'antd';
const style: React.CSSProperties = {
height: '30vh',
backgroundColor: 'rgba(0, 0, 0, 0.85)',
position: 'fixed',
top: 0,
insetInlineStart: 0,
width: '75%',
color: '#fff',
};
const App: React.FC = () => {
const topRef = React.useRef<HTMLDivElement>(null);
const [targetOffset, setTargetOffset] = useState<number>();
useEffect(() => {
setTargetOffset(topRef.current?.clientHeight);
}, []);
return (
<div>
<Row>
<Col span={18}>
<div
id="part-1"
style={{ height: '100vh', background: 'rgba(255,0,0,0.02)', marginTop: '30vh' }}
>
Part 1
</div>
<div id="part-2" style={{ height: '100vh', background: 'rgba(0,255,0,0.02)' }}>
Part 2
</div>
<div id="part-3" style={{ height: '100vh', background: 'rgba(0,0,255,0.02)' }}>
Part 3
</div>
</Col>
<Col span={6}>
<Anchor
targetOffset={targetOffset}
items={[
{ key: 'part-1', href: '#part-1', title: 'Part 1' },
{ key: 'part-2', href: '#part-2', title: 'Part 2' },
{ key: 'part-3', href: '#part-3', title: 'Part 3' },
]}
/>
</Col>
</Row>
<div style={style} ref={topRef}>
<div>Fixed Top Block</div>
</div>
</div>
);
};
export default App;
|