remove-facebook-ads.js

const config = { childList: true, subtree: true };
const $target = document.querySelector('body');
const removeAds = () => {
	[...document.querySelectorAll('[href="#"]')]
		.filter(e => e.innerText === 'Sponsored')
		.forEach(e => {
			var parent = e.closest('[id^="substream_"]');
			console.log('Another ad bites the dust!');
			parent.parentElement.removeChild(parent);
		});

	var adsPanel = document.querySelector('#pagelet_ego_pane');
	adsPanel.innerHTML = '';
};
removeAds();
const observer = new MutationObserver(mutations => {
	for (let mutation of mutations) {
		if (mutation.type === 'childList') {
			if ([...mutation.addedNodes].length) {
				removeAds();
			}
		}
	}
});
observer.observe($target, config);