src/vs/base/browser/ui/aria/aria.ts/alert
export function alert(msg: string): void {
	if (!ariaContainer) {
		return;
	}

	// Use alternate containers such that duplicated messages get read out by screen readers #99466
	if (alertContainer.textContent !== msg) {
		dom.clearNode(alertContainer2);
		insertMessage(alertContainer, msg);
	} else {
		dom.clearNode(alertContainer);
		insertMessage(alertContainer2, msg);
	}
}