diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
index c0c460d48..7d34d075b 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
@@ -840,7 +840,7 @@ RED.editor = (function() {
             var id = "node-label-form-"+type+"-"+index;
             $('<label>',{for:id}).text((index+1)+".").appendTo(result);
             var input = $('<input>',{type:"text",id:id, placeholder: placeHolder}).val(value).appendTo(result);
-            var clear = $('<button class="editor-button editor-button-small"><i class="fa fa-times"></i></button>').appendTo(result);
+            var clear = $('<button type="button" class="editor-button editor-button-small"><i class="fa fa-times"></i></button>').appendTo(result);
             clear.click(function(evt) {
                 evt.preventDefault();
                 input.val("");
@@ -897,7 +897,7 @@ RED.editor = (function() {
         var iconList = $('<div class="red-ui-icon-list">').appendTo(picker);
         var metaRow = $('<div class="red-ui-icon-meta"></div>').appendTo(picker);
         var summary = $('<span>').appendTo(metaRow);
-        var resetButton = $('<button class="editor-button editor-button-small">'+RED._("editor.useDefault")+'</button>').appendTo(metaRow).click(function(e) {
+        var resetButton = $('<button type="button" class="editor-button editor-button-small">'+RED._("editor.useDefault")+'</button>').appendTo(metaRow).click(function(e) {
             e.preventDefault();
             hide();
             done(null);
@@ -946,7 +946,7 @@ RED.editor = (function() {
 
         $('<div class="form-row">'+
             '<label for="node-input-show-label-btn" data-i18n="editor.label"></label>'+
-            '<button id="node-input-show-label-btn" class="editor-button" style="min-width: 80px; text-align: left;" type="button"><i id="node-input-show-label-btn-i" class="fa fa-toggle-on"></i> <span id="node-input-show-label-label"></span></button> '+
+            '<button type="button" id="node-input-show-label-btn" class="editor-button" style="min-width: 80px; text-align: left;" type="button"><i id="node-input-show-label-btn-i" class="fa fa-toggle-on"></i> <span id="node-input-show-label-label"></span></button> '+
             '<input type="checkbox" id="node-input-show-label" style="display: none;"/>'+
         '</div>').appendTo(dialogForm);
 
@@ -980,7 +980,7 @@ RED.editor = (function() {
             var iconRow = $('<div class="form-row"></div>').appendTo(dialogForm);
             $('<label data-i18n="editor.settingIcon">').appendTo(iconRow);
 
-            var iconButton = $('<button class="editor-button" id="node-settings-icon-button">').appendTo(iconRow);
+            var iconButton = $('<button type="button" class="editor-button" id="node-settings-icon-button">').appendTo(iconRow);
 
             var nodeDiv = $('<div>',{class:"red-ui-search-result-node"}).appendTo(iconButton);
             var colour = RED.utils.getNodeColor(node.type, node._def);
@@ -2398,7 +2398,7 @@ RED.editor = (function() {
             $(el).addClass("node-text-editor-container-toolbar");
             editor.toolbar = customEditTypes['_markdown'].buildToolbar(toolbarRow,editor);
             if (options.expandable !== false) {
-                var expandButton = $('<button class="editor-button" style="float: right;"><i class="fa fa-expand"></i></button>').appendTo(editor.toolbar);
+                var expandButton = $('<button type="button" class="editor-button" style="float: right;"><i class="fa fa-expand"></i></button>').appendTo(editor.toolbar);
 
                 expandButton.click(function(e) {
                     e.preventDefault();
@@ -2417,7 +2417,7 @@ RED.editor = (function() {
                     })
                 });
             }
-            var helpButton = $('<button class="node-text-editor-help editor-button editor-button-small"><i class="fa fa-question"></i></button>').appendTo($(el).parent());
+            var helpButton = $('<button type="button" class="node-text-editor-help editor-button editor-button-small"><i class="fa fa-question"></i></button>').appendTo($(el).parent());
             RED.popover.create({
                 target: helpButton,
                 trigger: 'click',
diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js
index 4541597f4..605ce0616 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editors/markdown.js
@@ -17,21 +17,21 @@
 
     var toolbarTemplate = '<div style="margin-bottom: 5px">'+
         '<span class="button-group">'+
-        '<button class="editor-button" data-style="h1" style="font-size:1.1em; font-weight: bold">h1</button>'+
-        '<button class="editor-button" data-style="h2" style="font-size:1.0em; font-weight: bold">h2</button>'+
-        '<button class="editor-button" data-style="h3" style="font-size:0.9em; font-weight: bold">h3</button>'+
+        '<button type="button" class="editor-button" data-style="h1" style="font-size:1.1em; font-weight: bold">h1</button>'+
+        '<button type="button" class="editor-button" data-style="h2" style="font-size:1.0em; font-weight: bold">h2</button>'+
+        '<button type="button" class="editor-button" data-style="h3" style="font-size:0.9em; font-weight: bold">h3</button>'+
         '</span>'+
         '<span class="button-group">'+
-            '<button class="editor-button" data-style="b"><i class="fa fa-bold"></i></button>'+
-            '<button class="editor-button" data-style="i"><i class="fa fa-italic"></i></button>'+
-            '<button class="editor-button" data-style="code"><i class="fa fa-code"></i></button>'+
+            '<button type="button" class="editor-button" data-style="b"><i class="fa fa-bold"></i></button>'+
+            '<button type="button" class="editor-button" data-style="i"><i class="fa fa-italic"></i></button>'+
+            '<button type="button" class="editor-button" data-style="code"><i class="fa fa-code"></i></button>'+
         '</span>'+
         '<span class="button-group">'+
-            '<button class="editor-button" data-style="ol"><i class="fa fa-list-ol"></i></button>'+
-            '<button class="editor-button" data-style="ul"><i class="fa fa-list-ul"></i></button>'+
-            '<button class="editor-button" data-style="bq"><i class="fa fa-quote-left"></i></button>'+
-            '<button class="editor-button" data-style="hr"><i class="fa fa-minus"></i></button>'+
-            '<button class="editor-button" data-style="link"><i class="fa fa-link"></i></button>'+
+            '<button type="button" class="editor-button" data-style="ol"><i class="fa fa-list-ol"></i></button>'+
+            '<button type="button" class="editor-button" data-style="ul"><i class="fa fa-list-ul"></i></button>'+
+            '<button type="button" class="editor-button" data-style="bq"><i class="fa fa-quote-left"></i></button>'+
+            '<button type="button" class="editor-button" data-style="hr"><i class="fa fa-minus"></i></button>'+
+            '<button type="button" class="editor-button" data-style="link"><i class="fa fa-link"></i></button>'+
         '</span>'
     '</div>';
 
@@ -123,7 +123,7 @@
                     panels.ratio(1);
 
                     $('<span class="button-group" style="float:right">'+
-                        '<button id="node-btn-markdown-preview" class="editor-button toggle single"><i class="fa fa-eye"></i></button>'+
+                        '<button type="button" id="node-btn-markdown-preview" class="editor-button toggle single"><i class="fa fa-eye"></i></button>'+
                     '</span>').appendTo(expressionEditor.toolbar);
 
                     $("#node-btn-markdown-preview").click(function(e) {