diff --git a/.eslintrc.json b/.eslintrc.json
index 65b99e6e..c49c0cd6 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -14,6 +14,7 @@
 		}
     },
 	"rules": {
+		"eqeqeq": "error",
 		"no-prototype-builtins": "off",
 		"no-undef": "off",
 		"no-unused-vars": "off"
diff --git a/modules/default/calendar/calendarfetcher.js b/modules/default/calendar/calendarfetcher.js
index 1e629a28..95263182 100644
--- a/modules/default/calendar/calendarfetcher.js
+++ b/modules/default/calendar/calendarfetcher.js
@@ -199,7 +199,7 @@ var CalendarFetcher = function(url, reloadInterval, excludedEvents, maximumEntri
 						// because the logic below will filter out any recurrences that don"t actually belong within
 						// our display range.
 						// Would be great if there was a better way to handle this.
-						if (event.recurrences != undefined)
+						if (event.recurrences !== undefined)
 						{
 							var pastMoment = moment(past);
 							var futureMoment = moment(future);
@@ -208,7 +208,7 @@ var CalendarFetcher = function(url, reloadInterval, excludedEvents, maximumEntri
 							{
 								// Only add dates that weren't already in the range we added from the rrule so that
 								// we don"t double-add those events.
-								if (moment(new Date(r)).isBetween(pastMoment, futureMoment) != true)
+								if (moment(new Date(r)).isBetween(pastMoment, futureMoment) !== true)
 								{
 									dates.push(new Date(r));
 								}
@@ -234,7 +234,7 @@ var CalendarFetcher = function(url, reloadInterval, excludedEvents, maximumEntri
 							startDate = moment(date);
 
 							// For each date that we"re checking, it"s possible that there is a recurrence override for that one day.
-							if ((curEvent.recurrences != undefined) && (curEvent.recurrences[dateKey] != undefined))
+							if ((curEvent.recurrences !== undefined) && (curEvent.recurrences[dateKey] !== undefined))
 							{
 								// We found an override, so for this recurrence, use a potentially different title, start date, and duration.
 								curEvent = curEvent.recurrences[dateKey];
@@ -242,14 +242,14 @@ var CalendarFetcher = function(url, reloadInterval, excludedEvents, maximumEntri
 								duration = parseInt(moment(curEvent.end).format("x")) - parseInt(startDate.format("x"));
 							}
 							// If there"s no recurrence override, check for an exception date.  Exception dates represent exceptions to the rule.
-							else if ((curEvent.exdate != undefined) && (curEvent.exdate[dateKey] != undefined))
+							else if ((curEvent.exdate !== undefined) && (curEvent.exdate[dateKey] !== undefined))
 							{
 								// This date is an exception date, which means we should skip it in the recurrence pattern.
 								showRecurrence = false;
 							}
 
 							endDate = moment(parseInt(startDate.format("x")) + duration, "x");
-							if (startDate.format("x") == endDate.format("x")) {
+							if (startDate.format("x") === endDate.format("x")) {
 								endDate = endDate.endOf("day");
 							}
 
diff --git a/modules/default/updatenotification/updatenotification.js b/modules/default/updatenotification/updatenotification.js
index c0757b5a..28c5f4e4 100644
--- a/modules/default/updatenotification/updatenotification.js
+++ b/modules/default/updatenotification/updatenotification.js
@@ -41,16 +41,16 @@ Module.register("updatenotification", {
 		var self = this;
 		if (payload && payload.behind > 0) {
 			// if we haven't seen info for this module
-			if(this.moduleList[payload.module] == undefined){
+			if(this.moduleList[payload.module] === undefined){
 				// save it
 				this.moduleList[payload.module]=payload;
 				self.updateDom(2);
 			}
 			//self.show(1000, { lockString: self.identifier });
 
-		} else if (payload && payload.behind == 0){
+		} else if (payload && payload.behind === 0){
 			// if the module WAS in the list, but shouldn't be
-			if(this.moduleList[payload.module] != undefined){
+			if(this.moduleList[payload.module] !== undefined){
 				// remove it
 				delete this.moduleList[payload.module];
 				self.updateDom(2);
@@ -72,7 +72,7 @@ Module.register("updatenotification", {
 	// Override dom generator.
 	getDom: function () {
 		var wrapper = document.createElement("div");
-		if(this.suspended==false){
+		if(this.suspended === false){
 			// process the hash of module info found
 			for(key of Object.keys(this.moduleList)){
 				let m= this.moduleList[key];
@@ -85,7 +85,7 @@ Module.register("updatenotification", {
 				icon.innerHTML = " ";
 				message.appendChild(icon);
 
-				var updateInfoKeyName = m.behind == 1 ? "UPDATE_INFO_SINGLE" : "UPDATE_INFO_MULTIPLE";
+				var updateInfoKeyName = m.behind === 1 ? "UPDATE_INFO_SINGLE" : "UPDATE_INFO_MULTIPLE";
 
 				var subtextHtml = this.translate(updateInfoKeyName, {
 					COMMIT_COUNT: m.behind,
@@ -93,7 +93,7 @@ Module.register("updatenotification", {
 				});
 
 				var text = document.createElement("span");
-				if (m.module == "default") {
+				if (m.module === "default") {
 					text.innerHTML = this.translate("UPDATE_NOTIFICATION");
 					subtextHtml = this.diffLink(m,subtextHtml);
 				} else {
diff --git a/modules/default/weatherforecast/weatherforecast.js b/modules/default/weatherforecast/weatherforecast.js
index e496771a..4265de02 100644
--- a/modules/default/weatherforecast/weatherforecast.js
+++ b/modules/default/weatherforecast/weatherforecast.js
@@ -456,7 +456,7 @@ Module.register("weatherforecast",{
 		});
 
 		//If no rain this day return undefined so it wont be displayed for this day
-		if (daysForecasts.length == 0) {
+		if (daysForecasts.length === 0) {
 			return undefined;
 		}