Javascript: jQuery ajax example

gistfile1.txt

var jqxhr = $j.ajax({
	type: 'post', //post or get
	url: cartUrl,
	//dataType: 'json', //if necessy 
	data: { product : pid, qty: 1, isAjax: 1 } // Important!!
}).done(function(data){
	//console.log(data.status);
	if ( data.status == "SUCCESS") {
		// do something... 
	}
}).fail(function(){ 
	alert("Server error, please try again later."); 
}).always(function(){
	//always do something....
});

jqxhr.always(function() { 
	//second fallback if needed
});