#1126 ✓invalid
Disco Justice

responseJSON is not being populated

Reported by Disco Justice | August 23rd, 2010 @ 05:13 PM

I've been using code like that shown below to process simple forms quickly, but since I tried 1.7 RC2, it no longer works. The issue seems to be that transport.responseJSON does not get populated, and returns as "undefined".

Event.observe($('postForm'), 'submit', function(event) {

    method: 'post',
    onComplete: function(transport){
        if (jsonObj.success==1){
            // Success code goes here
        } else {
            // Show the message that was returned


The response is definitely valid JSON, and has the application/json header. Reverting back to 1.6.1 fixes this issue immediately.

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The Prototype JavaScript library.

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