July 2018
Beginner to intermediate
458 pages
9h 58m
English
Content preview from Learning Salesforce Lightning Application Development
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Communication between the Lightning main frame and iframe
Your Lightning app may also include applications that are designed in Visualforce. Visualforce was used in the Salesforce classic experience before Lightning existed.
In this section, we will explore how can we communicate between a Visualforce iframe and a Lightning Component. Note that we have used Visualforce here, but technically one could use this approach to communicate between a Lightning window and any iframe loaded in the Lightning page. Use only unsecured data between frames, since the postMessages API that we use to communicate does not offer security.
This technique uses the postMessage API to do the communicating. You can read about postMessage at https://developer.mozilla.Org/en-US/docs/Web/API/Window/postMessage ...
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