Turn a table into a JSON and copy it!

copy-table-to-clipboard.js

(() => {

	const table = document.querySelector('table');
	const head = document.querySelector('thead');
	const body = document.querySelector('tbody');

	const keys = Array.from(head.querySelectorAll('th'))
		.map(cell => cell.innerText);
	const values = Array.from(body.querySelectorAll('tr'))
		.map(row => Array.from(row.querySelectorAll('td')).map(cell => cell.innerText));

	const data = values.map(row => row.reduce((acc, a, i) => ({
		...acc,
		[keys[i]]: a
	}), {}));

	clipboard(JSON.stringify(data, 0, 2));

	function clipboard(s) {
		const el = document.createElement('textarea');
		el.value = s;
		document.body.appendChild(el);
		el.select();
		document.execCommand('copy');
		document.body.removeChild(el);
    }

})()