if (command != null) ?
On Friday, October 4, 2013 3:01:04 PM UTC+2, Ed wrote:
>
> What is the correct way to check if a java object is not null in
> javascript?
> Exampe:
> private native performIntern(JsArray<? extends Element> elements, int
> duration, JavaScriptObject options, HasOnComplete command) /*-{
> var func = null;
> if (typeof command !== 'undefined') {
> func = function() {
> [email protected]::onComplete()();
> }
> }
> return $wnd._CMod.perform(elements, duration, options, func);
> }-*/;
>
> It will never enter the if if the command isn't null :(..
> I also tried things like "if (command)" or first assign command to another
> variable... but no luck and can't seem to find a matching example in code
> some where. I noticed that GWT uses a global function "defined()" in for
> example JavaScriptObject, but no idea where to find the source.
> BTW: the if is entered if I do something like "if (duration > 0)".....
> such that the command is called...
>
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