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javascript - Laravel show undefined index:year even the field is hidden by jQuery

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Solution:

Change your jquery function to disable the form element while hiding it and enable the same while showing it.

  <script>
    $('#category').change(function(){
        var responseID = $(this).val();
        if(responseID =="student"){
            $('#pDetails').removeClass("hidden");
            $('#pDetails').addClass("show");
            $( "#uyear" ).prop( "disabled", false );
        } else{
            $('#pDetails').removeClass("show");
            $('#pDetails').addClass("hidden");
            $( "#uyear" ).prop( "disabled", true );
        }
        console.log(responseID);
    });
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Instead of disabling the form element, you can give a default value like this.

  <script>
    $('#category').change(function(){
        var responseID = $(this).val();
        if(responseID =="student"){
            $('#pDetails').removeClass("hidden");
            $('#pDetails').addClass("show");
            $('#uyear').val("");
        } else{
            $('#pDetails').removeClass("show");
            $('#pDetails').addClass("hidden");
            $('#uyear').val("faculty");
        }
        console.log(responseID);
    });
Copy code

Undefined asked

2023-09-22

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About the technologies asked in this question

Laravel

Laravel is a free open source PHP framework that came out in 2011. Since then, it has been able to become the framework of choice for web developers. One of the main reasons for this is that Laravel makes it easier, faster, and safer to develop complex web applications than any other framework.
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JavaScript

JavaScript is a multi-paradigm language that supports event-driven, functional, and mandatory (including object-oriented and prototype-based) programming types. Originally JavaScript was only used on the client side. JavaScript is now still used as a server-side programming language. To summarize, we can say that JavaScript is the language of the Internet.
https://www.javascript.com/

JQuery

JQuery is arguably the most popular JavaScript library with so many features for modern development. JQuery is a fast and concise JavaScript library created by John Resig in 2006. It is a cross-platform JavaScript library designed to simplify client-side HTML scripting. Over 19 million websites are currently using jQuery! Companies like WordPress, Facebook, Google, IBM and many more rely on jQuery to provide a kind of web browsing experience.
https://jquery.com/

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