
Uncaught TypeError: Illegal invocation
Uncaught TypeError: Illegal invocation
In this session, we’ll try our hand at solving the "Uncaught TypeError: Illegal invocation" puzzle by using the computer language.
Sometimes you got error Uncaught TypeError: Illegal invocation while submit a form using ajax in javascript. There could be any reason for this error but in my case I have found this error because I did not pass the the processData: false, to $.ajax() settings.-
Solution for error uncaught TypeError: Illegal invocation
<!-- processData: false, to ajax settings --> <script> $('#form').on('submit', function(e){ e.preventDefault(); var formData = new FormData($(this)[0]); $.ajax({ type: "POST", dataType: "json", processData: false, url: "/add-record", data: formData, success: function(data){ return 'response'; console.log(data); } }); }); </script>
Add processData: false, as key/value pair to ajax settings to avoid the error Uncaught TypeError: Illegal invocation while calling ajax on form submit.
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