What is the best way to empty the content on an iframe?

@hal.littel 

To empty the content of an iframe, you can use JavaScript to set the src attribute of the iframe to 'about:blank'. This will unload the current content, effectively emptying the iframe.

Here's an example of how you can achieve this:

1. If you have an iframe element with an id attribute:

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<iframe id="my-iframe" src="https://example.com"></iframe>

1. You can use JavaScript to empty the content of the iframe:

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document.getElementById('my-iframe').src = 'about:blank';

This will set the src attribute of the iframe to 'about:blank', causing the current content to be unloaded and an empty iframe to be displayed.