use === instead of ==

Author: FlandreDaisuki

options/options.js

@@ -10,9 +10,9 @@ const $el = document.createElement.bind(document);
 function i18nOrdinal(n) {
 	const [prefix, suffix] = chrome.i18n.getUILanguage().split('-', 2);
 	if (prefix === 'en') {
-		if (n == 1) return '1st';
-		if (n == 2) return '2nd';
-		if (n == 3) return '3rd';
+		if (n === 1) return '1st';
+		if (n === 2) return '2nd';
+		if (n === 3) return '3rd';
 		return `${n}th`;
 	}
 	return `${n}`;