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Is there any way to get the rendering status ?

See original GitHub issue

Is there any way to get the rendering status such as “rendering completed”?

I want to fetch the canvas content (which is rendered by this API), but currently I can only set the browser to wait for a specific time set by time function.

So I’m wondering if there’s any method to let the fetching program know when the rendering is done?


Issue Analytics

  • State:closed
  • Created 5 years ago
  • Comments:5 (3 by maintainers)

github_iconTop GitHub Comments

dannyrbcommented, Nov 6, 2018

@sdys888, I think we handle events two different ways. Either:'eventname', callbackFn) See:


const element = document.querySelector('#my-element');
element.addEventListener('eventname', callbackFn)`


The first allows you to subscribe to events at the “library” level. The second allows you to listen for events for a specific enabledElement.

It looks like ImageRendered is only “emitted” for the enabledElement it is associated with:

We actually have an example for this specific event located here:

dannyrbcommented, Nov 5, 2018

@sdsy888 this event is emitted when an image is rendered:

There are other helpful events listed in that file. Searching the enumeration should provide examples of listening for events, and use cases that they’re often paired with.

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