diff --git a/edx_sga/static/js/src/edx_sga.js b/edx_sga/static/js/src/edx_sga.js
index 8eb7aff3..e41890cb 100644
--- a/edx_sga/static/js/src/edx_sga.js
+++ b/edx_sga/static/js/src/edx_sga.js
@@ -4,9 +4,13 @@ function StaffGradedAssignmentXBlock(runtime, element) {
         var uploadUrl = runtime.handlerUrl(element, 'upload_assignment');
         var downloadUrl = runtime.handlerUrl(element, 'download_assignment');
         var annotatedUrl = runtime.handlerUrl(element, 'download_annotated');
-        var getStaffGradingUrl = runtime.handlerUrl(element, 'get_staff_grading_data');
+        var getStaffGradingUrl = runtime.handlerUrl(
+          element, 'get_staff_grading_data'
+        );
         var staffDownloadUrl = runtime.handlerUrl(element, 'staff_download');
-        var staffAnnotatedUrl = runtime.handlerUrl(element, 'staff_download_annotated');
+        var staffAnnotatedUrl = runtime.handlerUrl(
+          element, 'staff_download_annotated'
+        );
         var staffUploadUrl = runtime.handlerUrl(element, 'staff_upload_annotated');
         var enterGradeUrl = runtime.handlerUrl(element, 'enter_grade');
         var removeGradeUrl = runtime.handlerUrl(element, 'remove_grade');
@@ -17,28 +21,29 @@ function StaffGradedAssignmentXBlock(runtime, element) {
             // Add download urls to template context
             state.downloadUrl = downloadUrl;
             state.annotatedUrl = annotatedUrl;
-            state.error = state.error ? state.error : false;
+            state.error = state.error || false;
 
             // Render template
-            var content = $(element).find("#sga-content").html(template(state));
+            var content = $(element).find('#sga-content').html(template(state));
 
             // Set up file upload
-            $(content).find(".fileupload").fileupload({
+            $(content).find('.fileupload').fileupload({
                 url: uploadUrl,
                 add: function(e, data) {
-                    var do_upload = $(content).find(".upload").html('');
-                    $(content).find('p.error').html("");
+                    var do_upload = $(content).find('.upload').html('');
+                    $(content).find('p.error').html('');
                     $('<button/>')
                         .text('Upload ' + data.files[0].name)
                         .appendTo(do_upload)
                         .click(function() {
-                            do_upload.text("Uploading...");
+                            do_upload.text('Uploading...');
                             var block = $(element).find(".sga-block");
                             var data_max_size = block.attr("data-max-size");
                             var size = data.files[0].size;
                             if (!_.isUndefined(size)) {
-                                if (size >= data_max_size) { //if file size is larger max file size define in env(django)
-                                    state.error = "The file you are trying to upload is too large.";
+                                //if file size is larger max file size define in env(django)
+                                if (size >= data_max_size) {
+                                    state.error = 'The file you are trying to upload is too large.';
                                     render(state);
                                     return;
                                 }
@@ -48,62 +53,60 @@ function StaffGradedAssignmentXBlock(runtime, element) {
                 },
                 progressall: function(e, data) {
                     var percent = parseInt(data.loaded / data.total * 100, 10);
-                    $(content).find(".upload").text(
-                        "Uploading... " + percent + "%");
+                    $(content).find('.upload').text(
+                        'Uploading... ' + percent + '%');
                 },
                 fail: function(e, data) {
                     /**
-                     * Nginx and other sanely implemented servers return a 
-                     * "413 Request entity too large" status code if an 
+                     * Nginx and other sanely implemented servers return a
+                     * "413 Request entity too large" status code if an
                      * upload exceeds its limit.  See the 'done' handler for
                      * the not sane way that Django handles the same thing.
                      */
-                    if (data.jqXHR.status == 413) {
+                    if (data.jqXHR.status === 413) {
                         /* I guess we have no way of knowing what the limit is
                          * here, so no good way to inform the user of what the
                          * limit is.
                          */
-                        state.error = "The file you are trying to upload is too large."
-                    }
-                    else {
+                        state.error = 'The file you are trying to upload is too large.';
+                    } else {
                         // Suitably vague
-                        state.error = "There was an error uploading your file.";
+                        state.error = 'There was an error uploading your file.';
 
                         // Dump some information to the console to help someone
                         // debug.
-                        console.log("There was an error with file upload.");
-                        console.log("event: ", e);
-                        console.log("data: ", data);
+                        console.log('There was an error with file upload.');
+                        console.log('event: ', e);
+                        console.log('data: ', data);
                     }
                     render(state);
                 },
-                done: function(e, data) { 
+                done: function(e, data) {
                     /* When you try to upload a file that exceeds Django's size
                      * limit for file uploads, Django helpfully returns a 200 OK
                      * response with a JSON payload of the form:
-                     * 
+                     *
                      *   {'success': '<error message'}
-                     * 
+                     *
                      * Thanks Obama!
                      */
                     if (data.result.success !== undefined) {
                         // Actually, this is an error
                         state.error = data.result.success;
                         render(state);
-                    }
-                    else {
+                    } else {
                         // The happy path, no errors
-                        render(data.result); 
+                        render(data.result);
                     }
                 }
             });
         }
 
         function renderStaffGrading(data) {
-            $(".grade-modal").hide();
+            $('.grade-modal').hide();
 
-            if (data.display_name != ""){
-                $(".sga-block .display_name").html(data.display_name);
+            if (data.display_name !== '') {
+                $('.sga-block .display_name').html(data.display_name);
             }
 
             // Add download urls to template context
@@ -111,37 +114,37 @@ function StaffGradedAssignmentXBlock(runtime, element) {
             data.annotatedUrl = staffAnnotatedUrl;
 
             // Render template
-            $(element).find("#grade-info")
+            $(element).find('#grade-info')
                 .html(gradingTemplate(data))
                 .data(data);
 
             // Map data to table rows
             data.assignments.map(function(assignment) {
-                $(element).find("#grade-info #row-" + assignment.module_id)
+                $(element).find('#grade-info #row-' + assignment.module_id)
                     .data(assignment);
             });
 
             // Set up grade entry modal
-            $(element).find(".enter-grade-button")
-                .leanModal({closeButton: "#enter-grade-cancel"})
-                .on("click", handleGradeEntry);
+            $(element).find('.enter-grade-button')
+                .leanModal({closeButton: '#enter-grade-cancel'})
+                .on('click', handleGradeEntry);
 
             // Set up annotated file upload
-            $(element).find("#grade-info .fileupload").each(function() {
+            $(element).find('#grade-info .fileupload').each(function() {
                 var row = $(this).parents("tr");
                 var url = staffUploadUrl + "?module_id=" + row.data("module_id");
                 $(this).fileupload({
                     url: url,
                     progressall: function(e, data) {
                         var percent = parseInt(data.loaded / data.total * 100, 10);
-                        row.find(".upload").text("Uploading... " + percent + "%");
+                        row.find('.upload').text('Uploading... ' + percent + '%');
                     },
-                    done: function(e, data) { 
+                    done: function(e, data) {
                         // Add a time delay so user will notice upload finishing
                         // for small files
                         setTimeout(
-                            function() { renderStaffGrading(data.result); }, 
-                            3000)
+                            function() { renderStaffGrading(data.result); },
+                            3000);
                     }
                 });
             });
@@ -151,105 +154,101 @@ function StaffGradedAssignmentXBlock(runtime, element) {
         function handleGradeEntry() {
             var row = $(this).parents("tr");
             var form = $(element).find("#enter-grade-form");
-            $(element).find("#student-name").text(row.data("fullname"));
-            form.find("#module_id-input").val(row.data("module_id"));
-            form.find("#submission_id-input").val(row.data("submission_id"));
-            form.find("#grade-input").val(row.data("score"));
-            form.find("#comment-input").text(row.data("comment"));
-            form.off("submit").on("submit", function(event) {
-                var max_score = row.parents("#grade-info").data("max_score");
-                var score = Number(form.find("#grade-input").val());
+            $(element).find('#student-name').text(row.data('fullname'));
+            form.find('#module_id-input').val(row.data('module_id'));
+            form.find('#submission_id-input').val(row.data('submission_id'));
+            form.find('#grade-input').val(row.data('score'));
+            form.find('#comment-input').text(row.data('comment'));
+            form.off('submit').on('submit', function(event) {
+                var max_score = row.parents('#grade-info').data('max_score');
+                var score = Number(form.find('#grade-input').val());
                 event.preventDefault();
                 if (isNaN(score)) {
-                    form.find(".error").html("<br/>Grade must be a number.");
-                } 
-                else if (score != parseInt(score)) {
-                    form.find(".error").html("<br/>Grade must be an integer.");
-                }
-                else if (score < 0) {
-                    form.find(".error").html("<br/>Grade must be positive.");
-                }
-                else if (score > max_score) {
-                    form.find(".error").html("<br/>Maximum score is " + max_score);
-                }
-                else {
+                    form.find('.error').html('<br/>Grade must be a number.');
+                } else if (score !== parseInt(score)) {
+                    form.find('.error').html('<br/>Grade must be an integer.');
+                } else if (score < 0) {
+                    form.find('.error').html('<br/>Grade must be positive.');
+                } else if (score > max_score) {
+                    form.find('.error').html('<br/>Maximum score is ' + max_score);
+                } else {
                     // No errors
                     $.post(enterGradeUrl, form.serialize())
                         .success(renderStaffGrading);
                 }
             });
-            form.find("#remove-grade").on("click", function() {
-                var url = removeGradeUrl + "?module_id=" + 
-                    row.data("module_id") + "&student_id=" + 
-                    row.data("student_id");
+            form.find('#remove-grade').on('click', function() {
+                var url = removeGradeUrl + '?module_id=' +
+                    row.data('module_id') + '&student_id=' +
+                    row.data('student_id');
                 $.get(url).success(renderStaffGrading);
             });
-            form.find("#enter-grade-cancel").on("click", function() {
+            form.find('#enter-grade-cancel').on('click', function() {
                 /* We're kind of stretching the limits of leanModal, here,
                  * by nesting modals one on top of the other.  One side effect
                  * is that when the enter grade modal is closed, it hides
                  * the overlay for itself and for the staff grading modal,
                  * so the overlay is no longer present to click on to close
                  * the staff grading modal.  Since leanModal uses a fade out
-                 * time of 200ms to hide the overlay, our work around is to 
+                 * time of 200ms to hide the overlay, our work around is to
                  * wait 225ms and then just "click" the 'Grade Submissions'
-                 * button again.  It would also probably be pretty 
+                 * button again.  It would also probably be pretty
                  * straightforward to submit a patch to leanModal so that it
                  * would work properly with nested modals.
                  *
                  * See: https://github.com/mitodl/edx-sga/issues/13
                  */
                 setTimeout(function() {
-                    $("#grade-submissions-button").click(); 
+                    $('#grade-submissions-button').click();
                 }, 225);
             });
         }
 
         $(function($) { // onLoad
-            var block = $(element).find(".sga-block");
-            var state = block.attr("data-state");
+            var block = $(element).find('.sga-block');
+            var state = block.attr('data-state');
             render(JSON.parse(state));
 
-            var is_staff = block.attr("data-staff") == "True";
+            var is_staff = block.attr('data-staff') == 'True';
             if (is_staff) {
                 gradingTemplate = _.template(
-                    $(element).find("#sga-grading-tmpl").text());
-                block.find("#grade-submissions-button")
+                    $(element).find('#sga-grading-tmpl').text());
+                block.find('#grade-submissions-button')
                     .leanModal()
-                    .on("click", function() {
+                    .on('click', function() {
                         $.ajax({
                             url: getStaffGradingUrl,
                             success: renderStaffGrading
                         });
                     });
-                block.find("#staff-debug-info-button")
+                block.find('#staff-debug-info-button')
                     .leanModal();
             }
         });
     }
 
-    if (require === undefined) { 
-        /** 
+    function loadjs(url) {
+        $('<script>')
+            .attr('type', 'text/javascript')
+            .attr('src', url)
+            .appendTo(element);
+    }
+
+    if (require === undefined) {
+        /**
          * The LMS does not use require.js (although it loads it...) and
          * does not already load jquery.fileupload.  (It looks like it uses
-         * jquery.ajaxfileupload instead.  But our XBlock uses 
+         * jquery.ajaxfileupload instead.  But our XBlock uses
          * jquery.fileupload.
          */
-        function loadjs(url) {
-            $("<script>")
-                .attr("type", "text/javascript")
-                .attr("src", url)
-                .appendTo(element);
-        }
-        loadjs("/static/js/vendor/jQuery-File-Upload/js/jquery.iframe-transport.js");
-        loadjs("/static/js/vendor/jQuery-File-Upload/js/jquery.fileupload.js");
+        loadjs('/static/js/vendor/jQuery-File-Upload/js/jquery.iframe-transport.js');
+        loadjs('/static/js/vendor/jQuery-File-Upload/js/jquery.fileupload.js');
         xblock($, _);
-    }
-    else {
+    } else {
         /**
          * Studio, on the other hand, uses require.js and already knows about
          * jquery.fileupload.
          */
-        require(["jquery", "underscore", "jquery.fileupload"], xblock);
+        require(['jquery', 'underscore', 'jquery.fileupload'], xblock);
     }
 }
diff --git a/edx_sga/static/js/src/studio.js b/edx_sga/static/js/src/studio.js
index 397492fb..abee4784 100644
--- a/edx_sga/static/js/src/studio.js
+++ b/edx_sga/static/js/src/studio.js
@@ -8,19 +8,19 @@ function StaffGradedAssignmentXBlock(runtime, element, server) {
         'string': function(x) {
             return !x ? null : x;
         }
-    }
+    };
 
     function save() {
         var view = this;
         view.runtime.notify('save', {state: 'start'});
 
         var data = {};
-        $(element).find("input").each(function(index, input) {
+        $(element).find('input').each(function(index, input) {
             data[input.name] = input.value;
         });
 
         $.ajax({
-            type: "POST",
+            type: 'POST',
             url: saveUrl,
             data: JSON.stringify(data),
             success: function() {
@@ -31,5 +31,5 @@ function StaffGradedAssignmentXBlock(runtime, element, server) {
 
     return {
         save: save
-    }
+    };
 }