data.success

Is data.success javascript, jquery or json?

I googled data.success, but I could not proper document. What is data.success in the following jquery? Is it javascript, jquery or json? function remove_row(data){ if(!data.success) return alert(data.error); $('#delete_link_'+data.id) .closest('li') .slideUp('slow',function(){ $(this).remove(); }); --E...

jquery ajax form function(data)

Can some one please tell me where I have gone wrong. What ever I do I get the answer "no" JQuery to send data to php query $j.post("logincheck.php",{ username:$j('#username').attr('value'), password:$j('#password').attr('value'), rand:Math.random() } , function(data) { if(data=='yes') {alert('yes');} else {alert('no');} } ); ...

JQuery Ajax response not triggering success

This is my code, $.ajax({ type:"get", //this doesn't work //url:'http://example.com/json.php', //But this works url:'http://api.flickr.com/services/feeds/photos_public.gne?tags=cat&tagmode=any&format=json&jsoncallback=?', dataType:"jsonp", ...