javascript jquery ajax

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

$.ajax({ url : "file.php", method : "POST", data: { //key : value action : action , key_1 : value_key_1, key_2 : value_key_2 } }) .fail(function() { return false; }) // Appel OK .done(function(data) { console.log(data); });

js ajax

// For a plain JS solution, use these functions:

function _GET_REQUEST(url, response) {
  var xhttp;
  if (window.XMLHttpRequest) {
    xhttp = new XMLHttpRequest();
  } else {
    xhttp = new ActiveXObject("Microsoft.XMLHTTP");
  }

  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      response(this.responseText);
    }
  };

  xhttp.open("GET", url, true);
  xhttp.send();
}

function _POST_REQUEST(url, params, response) {
  var xhttp;
  if (window.XMLHttpRequest) {
    xhttp = new XMLHttpRequest();
  } else {
    xhttp = new ActiveXObject("Microsoft.XMLHTTP");
  }

  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      response(this.responseText);
    }
  };

  xhttp.open("POST", url, true);
  xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  xhttp.send(params);
}

// and apply like this:
_GET_REQUEST('http://someurl', (response) => {
	// do something with variable response
});
_POST_REQUEST('http://someurl', 'paramx=y', (response) => {
	// do something with variable response
});

Posted by: Guest on October-25-2020

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