Updated Run JavaScript before change detection (markdown)

Run-JavaScript-before-change-detection.md

@@ -43,4 +43,11 @@ https://edition.cnn.com ( shared watch import link https://changedetection.io/sh
 
 ```
 document.getElementById('onetrust-accept-btn-handler').click();
-```
+```
+
+### Web page change alerts for BestBuy products
+
+BestBuy will often ask for a 'local' or 'country' store, we simply click on the USA flag link from the English section of the site https://changedetection.io/share/pkhEFXeb8Cka
+
+In that above shared link, we will be watching BestBuy for changes in GTX 4090 graphic card prices
+