jquery serialize

What is jQuery serialize?

jQuery serialize is a method that converts form data into a string that can be submitted through an HTTP request. The method takes all the form fields and converts their values to a string that can be appended to the URL or sent as part of an AJAX request. The data is encoded in a format that is compatible with the application/x-www-form-urlencoded content type.

How to use jQuery serialize?

To use jQuery serialize, you need to first select the form element using jQuery. Once you have the form element, you can call the serialize method on it:

// Select the form element
var form = $('form');

// Serialize the form data
var data = form.serialize();

The data variable will now contain a string that represents all the form data. You can then use this string in an AJAX request or append it to the URL of a GET request.

Alternative ways to serialize form data

jQuery serialize is not the only way to convert form data into a string. There are other methods available that you can use depending on your requirements:

  • serializeArray: This method returns an array of objects instead of a string. Each object in the array represents a form field and contains the name and value properties.
  • serializeJSON: This method converts form data into a JSON object instead of a string. This is useful when you want to send complex data structures in your HTTP request.
  • FormData: This is a native JavaScript method that allows you to create a new form data object and append form fields to it. You can then use this object in your AJAX request.


Here's an example that shows how to use jQuery serialize to submit form data through an AJAX request:

// Select the form element
var form = $('form');

// Handle form submit event
form.on('submit', function(event) {
  // Prevent the default form submission

  // Serialize the form data
  var data = form.serialize();

  // Submit the form data via AJAX
    url: '/submit-form',
    method: 'POST',
    data: data,
    success: function(response) {
    error: function(error) {

In the example above, we select the form element and attach a submit event handler to it. When the form is submitted, we prevent the default form submission behavior and serialize the form data using jQuery serialize. We then submit the serialized data via an AJAX request using the jQuery ajax method. The success and error callbacks handle the response from the server.

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