To securely pass an API key to a dynamically added JavaScript file, avoid setting it directly as a global variable. Instead, encapsulate the data in an Immediately Invoked Function Expression (IIFE) so that it can be accessed privately within the script. This method ensures that your API key remains hidden from exposure to the public and is only available to the script being executed.
To pass data securely to a dynamically added script, consider encapsulating it in a self-invoking function that the script can access without exposing it in a global scope.
By wrapping your script logic inside an IIFE, it allows you to safely access sensitive information like API keys without polluting the global namespace.
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