Merge pull request #93213 from PramodValavala-MSFT/patch-67

(AzureCXP) fix code sample

Author: PRMerger9

articles/azure-functions/functions-reference-node.md

@@ -673,8 +673,9 @@ const util = require('util');
 const readFileAsync = util.promisify(fs.readFile);
 
 module.exports = async function (context) {
+    let data;
     try {
-        const data = await readFileAsync('./hello.txt');
+        data = await readFileAsync('./hello.txt');
     } catch (err) {
         context.log.error('ERROR', err);
         // This rethrown exception will be handled by the Functions Runtime and will only fail the individual invocation