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Browser evaluate always returns null IE7 [message #663545]

Tue, 05 April 2011 14:58

Jay Mising name

Messages: 11
Registered: July 2010

Junior Member

Hi all,

I'm trying to get a return value from the swt browser widget using browser.evaluate.

Here is my java code:

display.asyncExec(new Runnable()
		{
			
			
			@Override
			public void run()
			{
				Object o = browser.evaluate("fromJava('hello');");
				System.out.println(o);
				
			}
		});

Here is the html page:

<html>
<head>
<script type="text/javascript">
function fromJava(val)
{
	alert(val);
	return 'hello from javascript';
}

</script>
</head>

<body>


<p>Something...</p>
</body>
</html>

If i run this command it will return 4:

browser.evaluate("return 2+2;");

Any ideas?

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Re: Browser evaluate always returns null IE7 [message #663581 is a reply to message #663545]

Tue, 05 April 2011 17:10

Jay Mising name

Messages: 11
Registered: July 2010

Junior Member

So it looks like this works, but i'm not sure why i have to explicitly specify the return statement.

Object o = browser.evaluate("return fromJava('hello');");

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