a snippet that provides push-to-talk capability during meetings on google meet.

GoogleMeetPushToTalk.js

/*
	GOOGLE MEET PUSH TO TALK (USING CONTROL KEY)
	as soon as a meeting is joined, press F12 to open web developer tools.
	select the console tab and copy-and-paste this code and press enter.
	close the web developer tools, and use google meet normally.
	press-and-hold control key down when talking, release when finished.
*/
javascript: (() => {
	const selector = '[aria-label*="microphone"][data-is-muted="%"]';
	const pushToTalk = () => ({ key, shiftKey, ctrlKey, altKey }) => {
		if (key === 'Control' && !shiftKey && !altKey) {
			const mutedSelector = selector.replace('%', ctrlKey);
			document.querySelectorAll(mutedSelector).forEach(element => {
				element.click();
			});
		}
	};
	document.body.onkeyup = pushToTalk();
	document.body.onkeydown = pushToTalk();
	document.body.dispatchEvent(
		new KeyboardEvent('keyup', {key: 'Control'})
	);
})();