Update examples

Co-authored-by: François Beaufort <[email protected]>

Signed-off-by: Zoltan Kis <[email protected]>

Author: zolkis

EXPLAINER.md

@@ -128,7 +128,7 @@ implementations.
 ```js
 const ndef = new NDEFReader();
 
-await ndef.scan({ recordType: "example.com:smart-poster" });
+await ndef.scan();
 ndef.onreading = event => {
   const externalRecord = event.message.records.find(
     record => record.type == "example.com:smart-poster"

index.html

@@ -1049,13 +1049,13 @@ <h4>
       const ndef = new NDEFReader();
       let ignoreRead = false;
 
-      ndef.onreading(event => {
+      ndef.onreading = (event) => {
         if (ignoreRead) {
           return; // write pending, ignore read.
         }
 
         console.log("We read a tag, but not during pending write!");
-      }
+      };
 
       function write(data) {
         ignoreRead = true;
@@ -1085,7 +1085,7 @@ <h4>
     </p>
     <pre class="example">
       const ndef = new NDEFReader();
-      ndef.onreading = event => console.log("We read a tag!"));
+      ndef.onreading = (event) => console.log("We read a tag!");
 
       function write(data, { timeout } = {}) {
         return new Promise((resolve, reject) => {
@@ -1122,10 +1122,10 @@ <h4>
       const ndef = new NDEFReader();
       ndef.scan().then(() => {
         console.log("Scan started successfully.");
-        ndef.onreadingerror = event => {
+        ndef.onreadingerror = (event) => {
           console.log("Error! Cannot read data from the NFC tag. Try a different one?");
         };
-        ndef.onreading = event => {
+        ndef.onreading = (event) => {
           console.log("NDEF message read.");
         };
       }).catch(error => {
@@ -1174,7 +1174,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
       await ndef.scan();
-      ndef.onreading = event => {
+      ndef.onreading = (event) => {
         const message = event.message;
 
         if (message.records.length == 0 ||     // unformatted tag
@@ -1230,7 +1230,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
       await ndef.scan();
-      ndef.onreading = async event => {
+      ndef.onreading = async (event) => {
         if (event.message.id !== "my-game-progress")
           return;
         console.log(`Game state: ${ JSON.stringify(event.message.records) }`);
@@ -1261,7 +1261,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
       await ndef.scan();
-      ndef.onreading = event => {
+      ndef.onreading = (event) => {
         const decoder = new TextDecoder();
         for (const record of event.message.records) {
           if (record.mediaType === 'application/json') {
@@ -1302,7 +1302,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
 
-      ndef.onreading = async event => {
+      ndef.onreading = async (event) => {
         const decoder = new TextDecoder();
         for (const record of event.message.records) {
           console.log("Record type:  " + record.recordType);
@@ -1330,7 +1330,7 @@ <h4>
       const controller = new AbortController();
 
       await ndef.scan({ signal: controller.signal });
-      ndef.onreading = event => {
+      ndef.onreading = (event) => {
         console.log("NDEF message read.");
       };
 
@@ -1413,7 +1413,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
       await ndef.scan();
-      ndef.onreading = event => {
+      ndef.onreading = (event) => {
         const externalRecord = event.message.records.find(
           record => record.type == "example.com:smart-poster"
         );
@@ -1506,7 +1506,7 @@ <h4>
     <pre class="example">
       const ndef = new NDEFReader();
       await ndef.scan();
-      ndef.onreading = event => {
+      ndef.onreading = (event) => {
         const shoppingItemRecord = event.message.records[0];
         if (!shoppingItemRecord ||
             shoppingItemRecord.recordType !== "example.com:shoppingItem") {