areSame(...urls) {
		let firstUrl = urls[0];
		if (firstUrl.endsWith("/")) firstUrl = firstUrl.slice(0, -1);
		return urls.every((url) => {
			if (url.endsWith("/")) url = url.slice(0, -1);
			return firstUrl === url;
		});
	}
Checks if given urls are same or not
@param  {...String} urls
@returns {Boolean}