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javascript:(function(){
	var set = new Set();
	var queryStr = document.location.href.includes('/m/') ? '.responses .nick' : '.response_box .list .name';
	list = document.querySelectorAll(queryStr);
	for (let e of list) set.add(e.text);
	var totalStr = '回應人數：' + set.size;
	alert(totalStr);
})()