Fix disconnect in several js examples

content/_code-samples/get-started/js/base.js

@@ -11,7 +11,7 @@ async function main() {
   // ... custom code goes here
 
   // Disconnect when done (If you omit this, Node.js won't end the process)
-  client.disconnect()
+  await client.disconnect()
 }
 
 main()

content/_code-samples/get-started/js/get-acct-info.js

@@ -32,7 +32,7 @@ async function main() {
   })
 
   // Disconnect when done so Node.js can end the process
-  client.disconnect()
+  await client.disconnect()
 }
 
 // call the async function

content/_code-samples/markers-and-pagination/js/pagination-with-markers.js

@@ -17,11 +17,11 @@ async function main() {
   function printLedgerResult(){
     console.log(ledger["result"])
   }
- 
+
   // Execute function at least once before checking for markers.
   do {
     printLedgerResult()
-    
+
     if (ledger["result"]["marker"] === undefined) {
         break
     }
@@ -37,7 +37,7 @@ async function main() {
   } while (true)
 
   // Disconnect when done. If you omit this, Node.js won't end the process.
-  client.disconnect()
+  await client.disconnect()
 }
 
 main()

content/_code-samples/trade-in-the-decentralized-exchange/js/base-with-bignumber.js

@@ -1,6 +1,6 @@
 // In browsers, add the following <script> tags to the HTML to load dependencies
 // instead of using require():
-// <script src="https://unpkg.com/xrpl@2.2.0/build/xrpl-latest-min.js"></script>
+// <script src="https://unpkg.com/xrpl@2.11.0/build/xrpl-latest-min.js"></script>
 // <script src='https://cdn.jsdelivr.net/npm/bignumber.js@9.0.2/bignumber.min.js'></script>
 const xrpl = require('xrpl')
 const BigNumber = require('bignumber.js')
@@ -15,7 +15,7 @@ async function main() {
   // ... custom code goes here
 
   // Disconnect when done (If you omit this, Node.js won't end the process)
-  client.disconnect()
+  await client.disconnect()
 }
 
 main()

content/_code-samples/use-tickets/js/use-tickets.js

@@ -70,7 +70,7 @@ async function main() {
   // Wait for Validation (again) -----------------------------------------------
 
   // Disconnect when done (If you omit this, Node.js won't end the process)
-  client.disconnect()
+  await client.disconnect()
 }
 
 main()