Am using WebSdk and target-mbox call happening on the network tab. I can see the JS code and its rendering the correct experience. But still its not displaying on browser.

<script>alert("rr-test")</script>.  - This is the simple alert condition am trying to execute on the page. am seeing the activity name, experience and js code which is written by me. But still that "alert" is not rendering. Its happening intermittently, Not all the time.