[Laszlo-dev] Help fixing LPP-5926

Mon May 5 15:18:07 PDT 2008

Oh, I see.

Apparently window.setTimeout is not a Function, it is a 'foreign  
function' that you can invoke from Javascript.  Oops.

On 2008-05-05, at 18:07 EDT, André Bargull wrote:

> If you do an "alert(window.setTimeout.apply)", you'll see that it is  
> "undefined" - Hurray for IE!
> I guess you need to use a function-wrapper, something like here: "http://webreflection.blogspot.com/2007/06/simple-settimeout-setinterval-extra.html 
> ".
>
>> This is definitely an IE6/7 issue. The following javascript code  
>> fails in IE6/7 if I call apply() when the argument is a function.  
>> Calling it with explicit arguments works.
>>
>>
>> <body>
>>   <script>
>>     function setTimeout_broken() {
>>       window.setTimeout.apply(null, arguments);
>>     }
>>     function setTimeout_works(f, msec) {
>>       window.setTimeout(f, msec);
>>     }
>>
>>     function test () {
>>       var f = function () {
>>         alert('hello');
>>       };
>>       setTimeout_broken(f, 1000);
>>     }
>>
>>     test();
>>
>>   </script>
>> </body>
>>
>>
>> >/Hi Max,
>> />/
>> />/IE7 dragging never really worked. It was broken for all  
>> browsers />/prior to r8916 (LPP-5889). However, this change caused  
>> the />/javascript error messages to appear in IE6/IE7. The change  
>> is in />/LzTimeKernel.js.  I'll try and track down who is shadowing  
>> the />/global window object.
>> />/
>> />/
>> />/
>> />/
>> />/
>> />/tools/svn/binsearch.rb could help here.  If you notice any  
>> broken />/builds as you use the tool, please update the  
>> binsearch.rb script so />/it will skip them in the future...
>> />/
>> />/Also, be sure you're not running in debug mode - there may be  
>> issues />/there.  Instead, try running in IE 7 with the IE web  
>> developer toolbar.
>> />/
>> />/Philip Romanik wrote:
>> />/ > />/ <http://jira.openlaszlo.org/jira/browse/LPP-5926>http://jira.openlaszlo.org/jira/browse/LPP-5926
>> />/ >
>> />/ > lzpix doesn't run in IE6/IE7 dhtml. if you try and drag a  
>> picture in
>> />/ > IE7 you get an error (Object doesn't support this property or  
>> method)
>> />/ > that I tracked down to the line in LzTimeKernel.js:
>> />/ >
>> />/ >     window.setInterval.apply(null, arguments);
>> />/ >
>> />/ > I'm not sure why window isn't an object unless something is  
>> shadowing
>> />/ > it.  When I tried to run lzpix in debug mode, I got a  
>> different error,
>> />/ > "Object expected" in a lzpix file dataman.lzx:
>> />/ >
>> />/ >     var api_sig = hex_md5(api_sig_string);
>> />/ >
>> />/ > The hex_md5 method is loaded in a script tag at the top of  
>> dataman.lzx
>> />/ >
>> />/ >
>> />/ > Any ideas?
>> />/ >
>> />/ > Thanks!
>> />/ >
>> />/ > Phil
>> />/ >
>> />/
>> />/--
>> />/Regards,
>> />/Max Carlson
>> />/OpenLaszlo.org/
>