jQuery post()

Introduction

Load data from the server using a HTTP POST request:

<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>/* w  w  w . ja va2 s  .  c  o m*/
<script>
$(document).ready(function(){
  $("button").click(function(){
    $.post("ajax.txt",
    {
      name: "CSS",
      city: "New York"
    },
    function(data,status){
      document.getElementById("demo").innerHTML = 
               "Data: " + data + "\nStatus: " + status;
    });
  });
});
</script>
</head>
<body>

<p id="demo"></p>
<button>Send an HTTP POST request to 
a page and get the result back</button>
</body>
</html>

The $.post() method loads data from the server using a HTTP POST request.

$(selector).post(URL,data,function(data,status,xhr),dataType)

Parameter	Optional	Description
URL	Required.	the url to send the request to
data	Optional.	data to send to the server along with the request
function(data,status,xhr)	Optional.	sets a function to run if the request succeeds Additional parameters: data - the resulting data from the request status - the status of the request "success" `"notmodified"` "error" "timeout" `"parsererror"` xhr - the XMLHttpRequest object
dataType	Optional.	the data type expected of the server response. By default jQuery performs an automatic guess. Possible types: "xml" - An XML document "html" - HTML as plain text "text" - A plain text string "script" - Runs the response as JavaScript, and returns it as plain text "json" - Runs the response as JSON, and returns a JavaScript object "jsonp" - Loads in a JSON block using JSONP.

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