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Uncaught TypeError: Cannot read ajax property from undefined When I try to post data in url

I have created a form to get user feedback, I am just trying to submit the form data in the url, but Im getting this error:

Uncaught TypeError: Cannot read ajax property of undefined

function sendData(){
    $.ajax({
        url: "www.yashkjhsah.php",
        type: "POST",
        async: true,
        data: $(".contacts_form").serialize(),
        dataType: "html",
        success: function(data) 
        {
            alert(data);
            if(data!="Error in Insert Query!")
            {
                alert("Thank you for Enquiry we will send answer in your Mail.");
            }
            else
            {
                alert("Error while saving the data");
            }
        }
    });
}
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3 answers


The error message states that jQuery is not being defined. You must include jQuery before doing anything with $ .ajax



Place this line in your html page before your script: <script src="https://code.jquery.com/jquery-1.11.3.min.js"></script>

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This means jquery has not been loaded.

Make sure you have a script in your html and also end this function call sendData

inside



$(document).ready(function(){
//do stuff
})
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I had the same problem and solved it by changing the dollar sign $ with jQuery .

 jQuery.ajax({
                type: "POST",
                url: "...",
                data: jQuery('myForm').serialize(),
                success: function(msg) {
                    console.log('success!');
                },
            });
Run code


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