How to return AJAX response Text?

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I use prototype to do my AJAX development, and I use the code like this:

somefunction: function(){ var result = ""; myAjax = new Ajax.Request(postUrl, { method: 'post', postBody: postData, contentType: 'application/x-www-form-urlencoded', onComplete: function(transport){ if (200 == transport.status) { result = transport.responseText; } } }); return result; } 

And I find that the "result" is an empty string. So, I tried this:

somefunction: function(){ var result = ""; myAjax = new Ajax.Request(postUrl, { method: 'post', postBody: postData, contentType: 'application/x-www-form-urlencoded', onComplete: function(transport){ if (200 == transport.status) { result = transport.responseText; return result; } } }); } 

But it didn't work also. How can I get the responseText for other method to use?

This Question Has 2 Answeres | Orginal Question | DNB5brims

remember that onComplete is called long after the someFunction is done working. What you need to do is pass a callback function to the somefunction as a parameter. This function will be called when the process is done working (ie, onComplete):

somefunction: function(callback){ var result = ""; myAjax = new Ajax.Request(postUrl, { method: 'post', postBody: postData, contentType: 'application/x-www-form-urlencoded', onComplete: function(transport){ if (200 == transport.status) { result = transport.responseText; callback(result); } } }); } somefunction(function(result){ alert(result); }); 

How about adding "asynchronous: false" in your code? In my case, it worked well :)


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Sajjad Hossain

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