1var formData = {name:"John", surname:"Doe", age:"31"}; //Array 
2
3$.ajax({
4    url : "https://example.com/rest/getData", // Url of backend (can be python, php, etc..)
5    type: "POST", // data type (can be get, post, put, delete)
6    data : formData, // data in json format
7  	async : false, // enable or disable async (optional, but suggested as false if you need to populate data afterwards)
8    success: function(response, textStatus, jqXHR) {
9    	console.log(response);
10    },
11    error: function (jqXHR, textStatus, errorThrown) {
12		console.log(jqXHR);
13      	console.log(textStatus);
14      	console.log(errorThrown);
15    }
16});

1<script type="text/javascript">
2    function send() {
3        var person = {
4            name: $("#id-name").val(),
5            address:$("#id-address").val(),
6            phone:$("#id-phone").val()
7        }
8
9        $('#target').html('sending..');
10
11        $.ajax({
12            url: '/test/PersonSubmit',
13            type: 'post',
14            dataType: 'json',
15            contentType: 'application/json',
16            success: function (data) {
17                $('#target').html(data.msg);
18            },
19            data: JSON.stringify(person)
20        });
21    }
22</script>

1$.post( "test.php", { name: "John", time: "2pm" })
2  .done(function( data ) {
3    alert( "Data Loaded: " + data );
4  });
5

1var myKeyVals = { A1984 : 1, A9873 : 5, A1674 : 2, A8724 : 1, A3574 : 3, A1165 : 5 }
2
3
4
5var saveData = $.ajax({
6      type: 'POST',
7      url: "someaction.do?action=saveData",
8      data: myKeyVals,
9      dataType: "text",
10      success: function(resultData) { alert("Save Complete") }
11});
12saveData.error(function() { alert("Something went wrong"); });

1$.ajax({
2  method: "POST",
3  url: "some.php",
4  data: { name: "John", location: "Boston" }
5})
6
7

1<script>window.onload = function(){
2    let aData = {"profile": "developer", "to": "rashid.jorve@live.in"};
3	console.log(FormData);
4    $.ajax({
5        type: "POST",
6        url: "/api/saveProfile",
7        data: JSON.stringify(aData),
8        contentType: "application/json",  
9            success: function(){
10               alert("Request was successful");
11            }
12        });
13};