diff --git a/appjs/uncheckother.js b/appjs/uncheckother.js
index dd06d8b4..c76a4df6 100644
--- a/appjs/uncheckother.js
+++ b/appjs/uncheckother.js
@@ -1,9 +1,4 @@
 (function(t) {
     t.toggleRatebox = function($event, $fieldkey) {
-        console.log($fieldkey);
-        console.log($event);
-        console.log($event.value);
-        console.log(this.CONTENT_OTHERDATA[$fieldkey]);
-//        this.CONTENT_OTHERDATA[$fieldkey] = "4";
     }
 })(this);
\ No newline at end of file
diff --git a/db/upgrade.php b/db/upgrade.php
index 3861f365..fe91ab16 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -997,7 +997,7 @@ function xmldb_questionnaire_upgrade($oldversion=0) {
         upgrade_mod_savepoint(true, 2022092200, 'questionnaire');
     }
 
-    return $result;
+    return true;
 }
 
 /**
diff --git a/javascript/mobile.js b/javascript/mobile.js
index 1291f57a..e46928da 100644
--- a/javascript/mobile.js
+++ b/javascript/mobile.js
@@ -23,8 +23,11 @@ this.questionsFormErrors = {};
 for (const fieldkey in this.CONTENT_OTHERDATA.fields) {
     questionsFormFields[fieldkey] = [];
     questionsFormFields[fieldkey][0] = '';
-    for (const itemid in this.CONTENT_OTHERDATA.questions[this.CONTENT_OTHERDATA.pagenum][this.CONTENT_OTHERDATA.fields[fieldkey].id]) {
-        questionsFormFields[fieldkey][0] = this.CONTENT_OTHERDATA.questions[this.CONTENT_OTHERDATA.pagenum][this.CONTENT_OTHERDATA.fields[fieldkey].id][itemid].value;
+    for (const itemid in
+        this.CONTENT_OTHERDATA.questions[this.CONTENT_OTHERDATA.pagenum][this.CONTENT_OTHERDATA.fields[fieldkey].id]) {
+        questionsFormFields[fieldkey][0] =
+            this.CONTENT_OTHERDATA.questions[this.CONTENT_OTHERDATA.pagenum][this.CONTENT_OTHERDATA.fields[fieldkey].id]
+                [itemid].value;
     }
     if (this.CONTENT_OTHERDATA.fields[fieldkey].required === 'y') {
         questionsFormFields[fieldkey][1] = this.Validators.required;
diff --git a/module.js b/module.js
index f3eb8d60..9eb3e93d 100644
--- a/module.js
+++ b/module.js
@@ -27,13 +27,21 @@
  * http://stackoverflow.com/questions/6787383/what-is-the-solution-to-remove-add-a-class-in-pure-javascript.
  * */
 
-function addClass(el, aclass){
+/**
+ * @param {HTMLElement} el
+ * @param {string} aclass
+ */
+function addClass(el, aclass) {
     el.className += ' ' + aclass;
 }
 
-function removeClass(el, aclass){
+/**
+ * @param {HTMLElement} el
+ * @param {string} aclass
+ */
+function removeClass(el, aclass) {
     var elClass = ' ' + el.className + ' ';
-    while(elClass.indexOf(' ' + aclass + ' ') != - 1) {
+    while (elClass.indexOf(' ' + aclass + ' ') != -1) {
          elClass = elClass.replace(' ' + aclass + ' ', '');
     }
     el.className = elClass;
@@ -44,7 +52,6 @@ function removeClass(el, aclass){
  * Javascript for hiding/displaying children questions on preview page of
  * questionnaire with conditional branching.
  */
-
 function depend(children, choices) {
     children = children.split(',');
     choices = choices.split(',');
@@ -82,7 +89,7 @@ function depend(children, choices) {
                         droplist.disabled = false;
                     }
                     delete children[i];
-                } else if (children[i]){
+                } else if (children[i]) {
                     if (typeof document !== "undefined" && ("classList" in document.createElement("a"))) {
                         q.classList.remove('qn-container');
                         q.classList.add('hidedependquestion');
@@ -114,6 +121,10 @@ function depend(children, choices) {
 
 /* exported dependdrop */
 
+/**
+ * @param {string} qId
+ * @param {*} children
+ */
 function dependdrop(qId, children) {
     var e = document.getElementById(qId);
     var choice = e.options[e.selectedIndex].value;
@@ -124,9 +135,12 @@ function dependdrop(qId, children) {
 // When respondent enters text in !other field, corresponding
 // radio button OR check box is automatically checked.
 /* exported other_check */
+/**
+ * @param {string | void} name
+ */
 function other_check(name) {
     var other = name.split("_");
-    var other = name.slice(name.indexOf("o")+1);
+    var other = name.slice(name.indexOf("o") + 1);
     if (other.indexOf("]") != -1) {
         other = other.slice(0, other.indexOf("]"));
     }
@@ -141,6 +155,9 @@ function other_check(name) {
 
 // Automatically empty an !other text input field if another Radio button is clicked.
 /* exported other_check_empty */
+/**
+ * @param {string} name
+ */
 function other_check_empty(name, value) {
     var f = document.getElementById("phpesp_response");
     var i;
@@ -149,7 +166,7 @@ function other_check_empty(name, value) {
             f.elements[i].checked = true;
             var otherid = f.elements[i].name + "_" + f.elements[i].value.substring(6);
             var other = document.getElementsByName(otherid);
-            if (value.substr(0,6) != "other_") {
+            if (value.substr(0, 6) != "other_") {
                 other[0].value = "";
             } else {
                 other[0].focus();
@@ -169,6 +186,10 @@ function other_check_empty(name, value) {
 // In a Rate question type of sub-type Order : automatically uncheck a Radio button
 // when another radio button in the same column is clicked.
 /* exported other_rate_uncheck */
+/**
+ * @param {string} name
+ * @param {string} value
+ */
 function other_rate_uncheck(name, value) {
     var col_name = name.substr(0, name.indexOf("_"));
     var inputbuttons = document.getElementsByTagName("input");
@@ -183,6 +204,9 @@ function other_rate_uncheck(name, value) {
 
 // Empty an !other text input when corresponding Check Box is clicked (supposedly to empty it).
 /* exported checkbox_empty */
+/**
+ * @param {string} name
+ */
 function checkbox_empty(name) {
     var actualbuttons = document.getElementsByName(name);
     for (var i = 0; i <= actualbuttons.length; i++) {
@@ -204,24 +228,24 @@ M.mod_questionnaire = M.mod_questionnaire || {};
 
 /* exported Y */
 /* exported e */
-M.mod_questionnaire.init_attempt_form = function(Y) {
+M.mod_questionnaire.init_attempt_form = function() {
     M.core_formchangechecker.init({formid: 'phpesp_response'});
 };
 
 M.mod_questionnaire.init_sendmessage = function(Y) {
-    Y.on('click', function(e) {
+    Y.on('click', function() {
         Y.all('input.usercheckbox').each(function() {
             this.set('checked', 'checked');
         });
     }, '#checkall');
 
-    Y.on('click', function(e) {
+    Y.on('click', function() {
         Y.all('input.usercheckbox').each(function() {
             this.set('checked', '');
         });
     }, '#checknone');
 
-    Y.on('click', function(e) {
+    Y.on('click', function() {
         Y.all('input.usercheckbox').each(function() {
             if (this.get('alt') == 0) {
                 this.set('checked', 'checked');
@@ -231,7 +255,7 @@ M.mod_questionnaire.init_sendmessage = function(Y) {
         });
     }, '#checknotstarted');
 
-    Y.on('click', function(e) {
+    Y.on('click', function() {
         Y.all('input.usercheckbox').each(function() {
             if (this.get('alt') == 1) {
                 this.set('checked', 'checked');
@@ -242,7 +266,7 @@ M.mod_questionnaire.init_sendmessage = function(Y) {
     }, '#checkstarted');
 
 };
-M.mod_questionnaire.init_slider = function(Y) {
+M.mod_questionnaire.init_slider = function() {
     const allRanges = document.querySelectorAll(".slider");
     allRanges.forEach(wrap => {
         const range = wrap.querySelector("input.questionnaire-slider");
diff --git a/styles_app.css b/styles_app.css
index e1b368db..e752eca3 100644
--- a/styles_app.css
+++ b/styles_app.css
@@ -7,7 +7,7 @@ span.mobileratequestion {
     -webkit-transform: translate3d(0, 0, 0) scale(1);
     transform: translate3d(0, 0, 0) scale(1);
 }
-.mod_questionnaire_slider .range-has-pin::part(pin){
+.mod_questionnaire_slider .range-has-pin::part(pin) {
     -webkit-transform: translate3d(0, -24px, 0) scale(1);
     transform: translate3d(0, -24px, 0) scale(1);
 }
diff --git a/templates/local/mobile/ionic3/select_question.mustache b/templates/local/mobile/ionic3/select_question.mustache
index 30777db4..cf41de04 100644
--- a/templates/local/mobile/ionic3/select_question.mustache
+++ b/templates/local/mobile/ionic3/select_question.mustache
@@ -28,11 +28,13 @@
         "fieldkey": 985,
         "choices": [
             {
+                "id": 200,
                 "content": "Red",
                 "completed": 0,
                 "value": 1
             },
             {
+                "id": 201,
                 "content": "Blue",
                 "completed": 0,
                 "value": 0
diff --git a/templates/local/mobile/ionic3/slider_question.mustache b/templates/local/mobile/ionic3/slider_question.mustache
index 64aef335..27ccb7c2 100644
--- a/templates/local/mobile/ionic3/slider_question.mustache
+++ b/templates/local/mobile/ionic3/slider_question.mustache
@@ -27,18 +27,16 @@
     {
         "fieldkey": 985,
         "extradata": {
-            "minrange" : 1
-            "maxrange" : 10
-            "startingvalue" : 5
-            "stepvalue" : 1
-            "leftlabel" : "left label"
-            "rightlabel" :  "right label"
+            "minrange" : 1,
+            "maxrange" : 10,
+            "startingvalue" : 5,
+            "stepvalue" : 1,
+            "leftlabel" : "left label",
+            "rightlabel" :  "right label",
             "centerlabel": "center label"
         },
-        completed: 0
-
+        "completed": 0
     }
-
 }}
 {{=<% %>=}}
 <%#extradata%>