Merge pull request #57 from dynamsoft-docs/Tom-Dynamsoft-patch-1

Update code to use Dynamsoft.Core.EnumImagePixelFormat to avoid error

Author: Tom-Dynamsoft

programming/javascript/api-reference/acquisition.md

@@ -577,7 +577,7 @@ None.
 **Code Snippet**
 
 ```javascript
-cameraEnhancer.setPixelFormat(EnumImagePixelFormat.IPF_ARGB_8888);
+cameraEnhancer.setPixelFormat(Dynamsoft.Core.EnumImagePixelFormat.IPF_ARGB_8888);
 let image = cameraEnhancer.getImage();
 document.body.appendChild(image.toCanvas());
 ```