Remove unsafe == operators from the VTypes overrides.

overrides/form/field/VTypes.js

@@ -5,12 +5,12 @@ Ext.apply(Ext.form.field.VTypes, {
 		if (!date) {
 			return false;
 		}
-		if (field.startDateField && (!this.dateRangeMax || (date.getTime() != this.dateRangeMax.getTime()))) {
+		if (field.startDateField && (!this.dateRangeMax || (date.getTime() !== this.dateRangeMax.getTime()))) {
 			var start = field.up('form').down('#' + field.startDateField);
 			start.setMaxValue(date);
 			start.validate();
 			this.dateRangeMax = date;
-		} else if (field.endDateField && (!this.dateRangeMin || (date.getTime() != this.dateRangeMin.getTime()))) {
+		} else if (field.endDateField && (!this.dateRangeMin || (date.getTime() !== this.dateRangeMin.getTime()))) {
 			var end = field.up('form').down('#' + field.endDateField);
 			end.setMinValue(date);
 			end.validate();
@@ -28,7 +28,7 @@ Ext.apply(Ext.form.field.VTypes, {
 	password(val, field) {
 		if (field.initialPassField) {
 			var pwd = field.up('form').down('#' + field.initialPassField);
-			return (val == pwd.getValue());
+			return (val === pwd.getValue());
 		}
 		return true;
 	},