Update javascript.md

"node.exe" was not found on MacOS and LInuxOS. Instead, you can run "node" from anywhere.

Author: LI-GUOJIE

articles/cognitive-services/Speech-Service/includes/quickstarts/text-to-speech-basics/javascript.md

@@ -88,7 +88,7 @@ Follow these steps to create a Node.js console application for speech synthesis.
 Run your new console application to start speech synthesis to a file:
 
 ```console
-node.exe SpeechSynthesis.js
+node SpeechSynthesis.js
 ```
 
 > [!IMPORTANT]
@@ -112,4 +112,4 @@ This quickstart uses the `SpeakTextAsync` operation to synthesize a short block
 
 ## Clean up resources
 
-[!INCLUDE [Delete resource](../../common/delete-resource.md)]
+[!INCLUDE [Delete resource](../../common/delete-resource.md)]