On Monday, December 19, 2011 7:52:47 AM UTC+1, Jim wrote:
>
> I'm adding a canvas element to a panel in an extension I'm working
> on. Unfortunately (using a try/catch block) I'm getting the following
> in FB_TRACE:
>
> "TypeError: canvas.getContext is not a function"
>
> I'm using the following in my extension to add the canvas:
> --------
> var panel = context.getPanel("myPanel");
> var parentNode = panel.panelNode;
> var canvas = document.createElement('canvas');
> Try:
>
panel.document.createElement('canvas');
Note that:
panel.document == panel.panelNode.ownerDocument
The global |document| is XUL
Honza
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