docs(refresher): playground cleanup

Author: brandyscarney

static/usage/v8/refresher/pull-start-end-events/angular/example_component_ts.md

@@ -56,7 +56,7 @@ export class ExampleComponent {
   handlePullEnd(event: RefresherPullEndCustomEvent) {
     console.log('Pull ended with reason: "' + event.detail.reason + '"');
 
-    // Enable the checkboxes when the pull starts
+    // Enable the checkboxes when the pull ends
     this.items.forEach((item) => {
       item.disabled = false;
     });

static/usage/v8/refresher/pull-start-end-events/react.md

@@ -74,7 +74,7 @@ function Example() {
         <p>Pull this content down to trigger the refresh.</p>
 
         <IonList lines="full">
-          {items.map((item: TodoItem, i: number) => (
+          {items.map((item: TodoItem) => (
             <IonItem key={item.label}>
               <IonCheckbox slot="start" checked={item.checked} disabled={item.disabled}></IonCheckbox>
               <IonLabel>{item.label}</IonLabel>

static/usage/v8/refresher/pull-start-end-events/vue.md

@@ -32,6 +32,7 @@
   import { ref } from 'vue';
   import {
     IonCheckbox,
+    IonContent,
     IonHeader,
     IonItem,
     IonLabel,
@@ -64,7 +65,7 @@
   const handlePullEnd = (event: RefresherPullEndCustomEvent) => {
     console.log('Pull ended with reason: "' + event.detail.reason + '"');
 
-    // Enable the checkboxes when the pull starts
+    // Enable the checkboxes when the pull ends
     items.value.forEach((item) => {
       item.disabled = false;
     });