update to internal commit bd1d1f64

Author: DMGithubPublisher

programming/javascript/user-guide/index.md

@@ -87,10 +87,13 @@ You can also:
 Let's start with the "Hello World" example of the DBR-JS SDK which demonstrates how to use the minimum code to enable a web page to read barcodes from a live video stream.  
 
 **Basic Requirements**
+
   - Internet connection
   - A supported browser
   - Camera access
 
+> Please refer to [system requirements](https://www.dynamsoft.com/barcode-reader/docs/web/programming/javascript/faq/system-requirement.html) for more details.
+
 ### Understand the code
 
 The complete code of the "Hello World" example is shown below