Yes, the purpose was to use json var after the Ajax.Request() block ... Understood, I will make a function of the rest of the code and pass in the onSuccess, thanks.
I tried the asynchronous:false with no different result, but I would have to test again to be sure. Thx, Jeremie 2010/3/2 Sergiu Dumitriu <ser...@xwiki.com> > On 03/02/2010 01:15 AM, Jeremie BOUSQUET wrote: > > Hello, > > > > This is for something I'm trying to develop ... And I'm not sure it has > > something to do with XWiki, but who knows ? > > > > In a page I call a particular init() function like this : > > > > Event.observe(window, "load", init); > > > > This init() aims at loading some JSON data from another page using Ajax. > I > > was inspired by the livetable.js here :-) > > > > var json = "" > > var ajx=new Ajax.Request( " > > > http://localhost:8081/xwiki/bin/view/Dev/JSONProvider?xpage=plain&outputSyntax=plain > ", > > > > {method:"get", onSuccess:function(transport) { json = > > eval("("+transport.responseText+")"); } > > } > > ) > > Wait, do you use json here, after the new Ajax.Request? You can't do > that. You should put the code using json inside the onSuccess handler. > > Alternatively, you can add > asynchronous: false, > to the list of parameters to make the call synchronous, which means that > the new Ajax.Request line will block until the response arrives. But > this is bad for several reasons: in most of the current browsers it > blocks the entire browser until the response arrives, so if the server > is slow to respond, you'll lock the user outside the browser; the method > might fail, so onSuccess will not be called, and json will still have > the wrong value. > > > This Javascript is in a .js file along with other resources on the server > > filesystem. It is loaded with $xwiki.jsfx.use(...) . > > When I debug step by step using Firebug, everything is fine, "json" > variable > > contains what I expect. > > But when I'm not debugging and refresh the page, "json" variable is empty > > ... (breakpointing AFTER ajax call shows it). Though I can see in Firebug > > that my Ajax http request finished with a 200 OK code. > > > > Do you think it might be linked to the fact this method is called on page > > load ? I can't see how it's different than other ajax calls in xwiki ... > > > > > -- > Sergiu Dumitriu > http://purl.org/net/sergiu/ > _______________________________________________ > users mailing list > users@xwiki.org > http://lists.xwiki.org/mailman/listinfo/users > _______________________________________________ users mailing list users@xwiki.org http://lists.xwiki.org/mailman/listinfo/users
