postMessage-catcher

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3.0(

2 ratings

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ExtensionDeveloper Tools1,000 users

Overview

A Chrome extension that captures the content of postMessage.

An effective development tool to help you capture all messages posted and received on the current page. It aims to provide an easier debugging experience when you need to communicate with other iframes. Contributions are welcome to the Github project.

3 out of 5
2 ratings
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Matt P
Jan 20, 2023

Tried this in Jan 2023 to understand how the youtube javascript embed API interacts over postMessage. This extension doesn't catch or report any of the postMessages that may happen in sub-iframes (e.g. not in the top window). So if you prototype something in codepen or whatever you won't see the postMessages in this extension. It appears (limited testing) it only reports postMessages RECEIVED by the top window...so you don't even see postMessages sent by the top window to child iframes. T... Show more

1 out of 2 people found this helpful

Details

Version
1.2.0
Updated
August 22, 2021
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Offered by
yangjin
Size
750KiB
Languages
English (United States)
Developer
Email
yangjin.fe@gmail.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes