What is causing the failure of success function commands to be executed?

Currently, I am facing some inconsistencies between my locally hosted app on WAMP (working perfectly) and the deployed version of my app. In an attempt to resolve this issue, I am working with CodeIgniter and jQuery AJAX. As part of my troubleshooting process, I have come across the following code snippet:

$.ajax({
    type: "POST",
    url: "Ajax/updateReplies",
    data:{ i : searchIDs, m : message },                        
    dataType: 'json',
    success: function(){
        console.log("hi");
        window.location.href = "controller/reply";
    }

Upon clicking the button, the Firebug console shows that the AJAX request was successful and data was sent to the backend CodeIgniter function. However, neither of the two commands within the success function are being executed.

I am puzzled by this behavior. Why is this happening?

javascriptphpjqueryajaxcodeigniter

Answer №1

Before sending an ajax request to retrieve json data using the dataType attribute, it is crucial to ensure that the data is correctly formatted to prevent potential errors.

To troubleshoot any possible issues during the call, consider implementing the following:

$.ajax({
    type: "POST",
    url: "Ajax/update",
    data:{ i : searchIDs, m : message },                        
    dataType: 'json',
    success: function(){
        console.log("hi");
        window.location.href = "controller/reply";
    },
    //important
    error: function(xhr, status, error) {
        var err = eval("(" + xhr.responseText + ")");
        alert(err.Message);
    }
});

If all else fails and as a last resort (not recommended), you could change the dataType to 'text' to circumvent any potential formatting challenges.

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