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remove incorrect info about synchronous postMessage

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Tom Brewe 2019-12-20 10:46:16 +01:00 • committed by GitHub
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3-frames-and-windows/03-cross-window-communication/article.md
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@ -335,10 +335,6 @@ The full example:
[codetabs src="postmessage" height=120]
```smart header="There's no delay"
There's totally no delay between `postMessage` and the `message` event. The event triggers synchronously, faster than `setTimeout(...,0)`.
```
## Summary
To call methods and access the content of another window, we should first have a reference to it.