jquery ajax callback

$.ajax({ url: "Url", dataType: "json", type: "Post", async: true, data: {"Key":value,"Key2":value2}, success: function (data) { }, error: function (xhr, exception, thrownError) { var msg = ""; if (xhr.status === 0) { msg = "Not connect.\n Verify Network."; } else if (xhr.status == 404) { msg = "Requested page not found. [404]"; } else if (xhr.status == 500) { msg = "Internal Server Error [500]."; } else if (exception === "parsererror") { msg = "Requested JSON parse failed."; } else if (exception === "timeout") { msg = "Time out error."; } else if (exception === "abort") { msg = "Ajax request aborted."; } else { msg = "Error:" + xhr.status + " " + xhr.responseText; } if (callbackError) { callbackError(msg); } } });

jquery ajax request

// Using the core $.ajax() method
$.ajax({
 
    // The URL for the request
    url: "post.php",
 
    // The data to send (will be converted to a query string)
    data: {
        id: 123
    },
 
    // Whether this is a POST or GET request
    type: "GET",
 
    // The type of data we expect back
    dataType : "json",
})
  // Code to run if the request succeeds (is done);
  // The response is passed to the function
  .done(function( json ) {
     $( "<h1>" ).text( json.title ).appendTo( "body" );
     $( "<div class=\"content\">").html( json.html ).appendTo( "body" );
  })
  // Code to run if the request fails; the raw request and
  // status codes are passed to the function
  .fail(function( xhr, status, errorThrown ) {
    alert( "Sorry, there was a problem!" );
    console.log( "Error: " + errorThrown );
    console.log( "Status: " + status );
    console.dir( xhr );
  })
  // Code to run regardless of success or failure;
  .always(function( xhr, status ) {
    alert( "The request is complete!" );
  });

Posted by: Guest on September-21-2021

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