Answers for "form seriliazition in ajax"

serialize and send form data jquery ajax

$.ajax({
    type : 'POST',
    url : 'url',
    data : $('#form').serialize()
}

get serialize data javascript

// HTML
<form id="myForm" name="myForm">
  <div>
    <label for="username">Enter name:</label>
    <input type="text" id="username" name="username">
  </div>
  <button type="button" onclick="clickMe()">Click</button>
</form>

// JS
function clickMe(){
  let myForm = document.getElementById('myForm');
  let formData = new FormData(myForm);
  console.log(formData.get('username'));
}