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diff --git a/js/baba-yaga/examples/js-interop-simple.baba b/js/baba-yaga/examples/js-interop-simple.baba
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+// js-interop-simple.baba - Simple JavaScript interop demonstration
+
+io.out "=== JavaScript Interop Demo ===";
+io.out "";
+
+// Mathematical operations
+io.out "Math Operations:";
+absResult : io.callJS "Math.abs" [-42];
+io.out absResult;
+
+minResult : io.callJS "Math.min" [10, 5, 8];
+io.out minResult;
+
+maxResult : io.callJS "Math.max" [10, 5, 8];  
+io.out maxResult;
+
+io.out "";
+
+// JSON operations
+io.out "JSON Operations:";
+jsonStr : "{\"name\": \"Alice\", \"age\": 30}";
+parseResult : io.callJS "JSON.parse" [jsonStr];
+io.out parseResult;
+
+// Property access
+propResult : when parseResult is
+  Ok obj then io.getProperty obj "name"
+  Err msg then Err msg;
+
+io.out propResult;
+
+io.out "";
+
+// Array operations  
+io.out "Array Operations:";
+babaList : [1, 2, 3, 4, 5];
+jsArray : io.listToJSArray babaList;
+jsonResult : io.callJS "JSON.stringify" [jsArray];
+io.out jsonResult;
+
+io.out "";
+
+// Error handling
+io.out "Error Handling:";
+errorResult : io.callJS "invalidFunction" [];
+io.out errorResult;
+
+io.out "";
+io.out "Demo complete!";