@salesforce/design-system-react/components/modal/__examples__/modal-custom-parent-node.jsx

Salesforce Lightning Design System for React

import React from 'react';

import Modal from '~/components/modal'; // `~` is replaced with design-system-react at runtime
import Button from '~/components/button';

class Example extends React.Component {
	static displayName = 'ModalExample';

	state = {
		isOpen: false,
	};

	getParent = () => document.querySelector('#myModalContainer');

	toggleOpen = () => {
		this.setState({ isOpen: !this.state.isOpen });
	};

	render() {
		return (
			<div id="myModalContainer">
				<Button label="Open large modal" onClick={this.toggleOpen} />
				<Modal
					isOpen={this.state.isOpen}
					onRequestClose={this.toggleOpen}
					parentSelector={this.getParent}
					heading="Modal header"
				>
					<section className="slds-p-around_medium">
						<p>
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							ullamco deserunt aute id consequat veniam incididunt duis in sint
							irure nisi. Mollit officia cillum Lorem ullamco minim nostrud elit
							officia tempor esse quis. Cillum sunt ad dolore quis aute
							consequat ipsum magna exercitation reprehenderit magna. Tempor
							cupidatat consequat elit dolor adipisicing.
						</p>
						<p>
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							sit officia. Lorem aliqua enim laboris do dolor eiusmod officia.
							Mollit incididunt nisi consectetur esse laborum eiusmod pariatur
							proident. Eiusmod et adipisicing culpa deserunt nostrud ad veniam
							nulla aute est. Labore esse esse cupidatat amet velit id elit
							consequat minim ullamco mollit enim excepteur ea.
						</p>
					</section>
				</Modal>
			</div>
		);
	}
}

export default Example; // export is replaced with `ReactDOM.render(<Example />, mountNode);` at runtime