Stock/not-in-stock scraper - slight reliability improvement (#2687)

changedetectionio/content_fetchers/res/stock-not-in-stock.js

@@ -154,11 +154,15 @@ function isItemInStock() {
         }
 
         elementText = "";
+        try {
             if (element.tagName.toLowerCase() === "input") {
                 elementText = element.value.toLowerCase().trim();
             } else {
                 elementText = getElementBaseText(element);
             }
+        } catch (e) {
+            console.warn('stock-not-in-stock.js scraper - handling element for gettext failed', e);
+        }
 
         if (elementText.length) {
             // try which ones could mean its in stock