Submit form action using AJAX and prevent page refresh or redirect.

form submit AJAX.js

$("form").on("submit",function(event){
    event.preventDefault();
    $.ajax({
        type: "POST",
        cache: false,
        url: $(this).attr("action"),
        data: $(this).serialize(),
        success: function( data ) {
            // put success action here
        }   
    });
});