diff --git a/frontend/common/Bond.js b/frontend/common/Bond.js
index 22df007c66..3a7f594526 100644
--- a/frontend/common/Bond.js
+++ b/frontend/common/Bond.js
@@ -155,7 +155,8 @@ export const add_bonds_listener = (node, on_bond_change, known_values) => {
 
         // see the docs on Generators.input from observablehq/stdlib
         let skippped_first = false
-        for (let val of input_generator(bond_node.firstElementChild)) {
+        const bound_element_node = bond_node.firstElementChild
+        for (let val of input_generator(bound_element_node)) {
             if (node_is_invalidated) break
 
             if (skippped_first === false) {
diff --git a/frontend/components/CellOutput.js b/frontend/components/CellOutput.js
index c28432ba92..029dd4e4f4 100644
--- a/frontend/components/CellOutput.js
+++ b/frontend/components/CellOutput.js
@@ -240,6 +240,7 @@ let execute_inside_script_tag_that_replaces = async (script_element, fn) => {
     // Mimick as much as possible from the original script (only attributes but sure)
     let new_script_tag = document.createElement("script")
     for (let attr of script_element.attributes) {
+        //@ts-ignore because of https://github.com/microsoft/TypeScript-DOM-lib-generator/issues/1260
         new_script_tag.attributes.setNamedItem(attr.cloneNode(true))
     }
 
diff --git a/frontend/components/Editor.js b/frontend/components/Editor.js
index 6c23d0130b..a6e56ae78f 100644
--- a/frontend/components/Editor.js
+++ b/frontend/components/Editor.js
@@ -852,10 +852,10 @@ patch: ${JSON.stringify(
                 try {
                     await Promise.all([
                         this.client.send("update_notebook", { updates: changes }, { notebook_id: this.state.notebook.notebook_id }, false).then((response) => {
-                            if (response.message.response.update_went_well === "👎") {
+                            if (response.message?.response?.update_went_well === "👎") {
                                 // We only throw an error for functions that are waiting for this
                                 // Notebook state will already have the changes reversed
-                                throw new Error(`Pluto update_notebook error: ${response.message.response.why_not})`)
+                                throw new Error(`Pluto update_notebook error: (from Julia: ${response.message.response.why_not})`)
                             }
                         }),
                         this.setStatePromise({
diff --git a/tsconfig.json b/tsconfig.json
index 325a962efa..3810a2de99 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,7 @@
     "compilerOptions": {
         "target": "ES2021",
         "module": "ES2020",
-        "lib": ["ES2021", "DOM", "WebWorker"],
+        "lib": ["ES2021", "DOM", "WebWorker", "DOM.Iterable"],
         "allowJs": true,
         "checkJs": true,
         "noEmit": true,