Video: Using PostMessage to interact with the HTML Element

The HTML Element can be a quick and powerful way to extend the capabilities of your Velo site. In this video tutorial, I show a simple example of how to pass data safely back and forth from your page code to the HTML element (or iFrame).

For more information, you can also check out these resources referenced in the video:
HTML iFrame Element Article
API Reference
MDN Docs for PostMessage
LeafletJS

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2 Likes

Extremely helpful!