AJAX on KHTML?

Actually...I can't find any AJAX sites that work with Konqueror :-/

some sites state that KHTML is supported, actually almost all commercial-based browser support it.

http://www.builderau.com.au/program/soa/Cleaning_up_with_AJAX/0,39024614,39195723-2,00.htm

there is also AJAX ECMAScript libraries around, one of them is:

http://sourceforge.net/projects/sarissa

it would help if you show us some source code.. :D

                 // AJAX Functions
                  var helptitle='helptitle';
                  var helpbody='helpbody';
                  var cache=new Array();
                  var http;

                  function inithelp()
                  {
                        http=createRequestObject();
                        requesthelp('init');
                        window.setTimeout('selectfirst()',500);
                  }

                  function selectfirst()
                  {
                        if(xform=document.getElementById('contactform'))
                        {
                              for(var counter=0; counter<xform.length; counter++)
                              {
                                    current=xform[counter];
                                    tag=current.tagName.toUpperCase();
                                    switch(tag)
                                    {
                                          case 'INPUT':            attribs=getAttribs('type',current.attributes);
                                                                        if(attribs=='file' || attribs=='text' || attribs=='radio'
                                                                           || attribs=='checkbox')
                                                                        {
                                                                              selectfield(current);
                                                                              return false;
                                                                        }
                                                                        break;
                                          case 'TEXTAREA':
                                          case 'SELECT':            selectfield(current);
                                                                        return false;
                                                                        break;
                                    }
                               }
                        }
                  }

                  function selectfield(field)
                  {
                        try
                        {
                              field.focus();
                              field.select();
                        }
                        catch(bug)
                        {
                              ;
                        }
                  }

                  function getAttribs(index,array)
                  {
                        if(array==null)
                              return null;
                        for(var counter=0; counter<array.length; counter++)
                        {
                              if(array[counter].name==index)
                                    return array[counter].value;
                        }
                  }

                  function createRequestObject()
                  {
                        var reqobj;
                        var browser=navigator.appName;

                        if(browser.indexOf('Microsoft')!=-1)
                              reqobj=new ActiveXObject('Microsoft.XMLHTTP');
                        else
                              reqobj=new XMLHttpRequest();
                        return reqobj;
                  }

                  function requesthelp(field)
                  {
                        if(!http)
                        {
                              if(field && field.blur)
                                    field.blur
                              return false;
                        }
                        if(field=='init')
                        {
                              field=new Object();
                               field.id='init';
                        }
                        if((cacheindex=in_cache(field.id))>-2)
                        {
                              get_cache(cacheindex);
                        }
                        else
                        {
                              http.open('get','contact.php?field='+field.id+'&amp;action=help');
                              http.onreadystatechange=fillhelp;
                              http.send(null);
                        }
                  }

                  function in_cache(what)
                  {
                        if(cache.length>0)
                        {
                              try
                              {
                                    for(var counter=0; counter<cache.length; counter++)
                                          if(cache[counter].key==what)
                                                return counter;
                              }
                              catch(bug)
                              {
                                    ;
                              }
                        }

                        return -2;
                  }

                  function get_cache(index)
                  {
                        try
                        {
                              fillhelp('|'+cache[index].title.toString()+'|'+cache[index].value.toString());
                        }
                        catch(bug)
                        {
                              ;
                        }
                  }

                  function fillhelp(fromcache)
                  {
                        var response,update;
                        var cheat=true;

                        if(fromcache==undefined)
                              cheat=false;

                        if( (http && http.readyState==4) || (cheat))
                        {
                              response=(cheat?fromcache:http.responseText);
                              update=new Array();

                              if(response.indexOf('|')!=-1)
                              {
                                    update=response.split('|');
                                    document.getElementById(helptitle).innerHTML=update[1];
                                    document.getElementById(helpbody).innerHTML=update[2];
                              }
                              if(!cheat)
                              {
                                    cachetemp=new Object();
                                     cachetemp.key=update[0].toLowerCase();
                                     cachetemp.title=update[1];
                                     cachetemp.value=update[2];
                                     cache[cache.length]=cachetemp;
                              }
                        }
                  }

UPDATE

It seems that AJAX is functioninig on Konqueror.  The problem seems to be in the fillhelp function.

After examening the value of the var response

response=(cheat?fromcache:http.responseText);

Konqueror reports it to be an [Object Event] whereas evaluating the contents of http.responseText directly yields propper results.

Ok, I found out where the problem is

I have a function fillhelp

fillhelp(fromcache)

This is the function called by the XMLHttpRequest event handler.

On FireFox and M$ this function is called with 0 parameters

So doing

if(fromcache==undefined)
 cheat=false;

works.

On KHTML however, it seems that the event handler is called with a parameter; [Object Event]

So the function assumes the whole time that its being called with cache data instead of new data.

I added detection for the object type.

                  function fillhelp(fromcache)
                  {
                        
                        var response,update;
                        var cheat=true;

                        if( (fromcache==undefined) || ( (fromcache!=undefined) && (typeof(fromcache)=='object')))
                              cheat=false;

And everything works now!