chromium pop-up blocking rules

[Gasan Guseinov]

Hi all,

Could someone please tell me what are the rules that chromium uses to block the pop up or where I can find them in the source code. 

The reason I am asking is because I am contributing to a web-framework and would like to make a change that relies on google chrome allowing pop-up in asynchronous code which was initiated by user interaction.

Basically, when user clicks on a button, browser executes the following code:

```await something()

openPopUp()

```

I was experimenting with google chrome (and firefox) and I see that browser allows this.

Still, I would like to have some hard proof that browser explicitly allows this behavior. 

I looked into google chrome source code but couldn't find this logic.

Thank you.

[K. Moon]

In general, you should refer to the HTML standard when trying to figure out this sort of behavioral question, rather than trying to reverse engineer what Chrome does.

This appears to be the relevant section: https://html.spec.whatwg.org/multipage/interaction.html#tracking-user-activation

This blog article talks about Chrome 72's implementation of the spec: https://developer.chrome.com/blog/user-activation

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