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Answers for "AJAX coding"

Javascript
1

ajax code

$.ajax({
    type: 'GET',
    dataType: 'json',
    url: url,
    timeout: 5000,
    success: function(data, textStatus ){
       alert('request successful');
    },
    fail: function(xhr, textStatus, errorThrown){
       alert('request failed');
    }
  });
Posted by: Guest on April-02-2021
3

how to make ajax request javascript

//Change the text of a <div> element using an AJAX //request:
//using JQuery


$("button").click(function(){
  $.ajax({url: "demo_test.txt", success: function(result){
    $("#div1").html(result);
  }});
});



//To send a request to a server, we use the open() //and send() methods of the XMLHttpRequest object:
// Javascript


xhttp.open("GET", "ajax_info.txt", true);
xhttp.send();

//example below
<html>
<body>

<h1>The XMLHttpRequest Object</h1>

<button type="button" onclick="loadDoc()">Request data</button>

<p id="demo"></p>


<script>
function loadDoc() {
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
      document.getElementById("demo").innerHTML = this.responseText;
    }
  };
  xhttp.open("GET", "demo_get.asp", true);
  xhttp.send();
}
</script>

</body>
</html>
Posted by: Guest on January-17-2020
7

ajax

With Ajax, web applications can send and retrieve data from a server asynchronously without interfering with the display and behaviour of the existing page.
Posted by: Guest on August-21-2020
0

ajax programming

// BEGIN
// JavaScript example
// An example of a simple Ajax request using the GET method, written in JavaScript.

// get-ajax-data.js:

// This is the client-side script.
// Initialize the HTTP request.
var xhr = new XMLHttpRequest();
xhr.open('GET', 'send-ajax-data.php');

// Track the state changes of the request.
xhr.onreadystatechange = function () {
	var DONE = 4; // readyState 4 means the request is done.
	var OK = 200; // status 200 is a successful return.
	if (xhr.readyState === DONE) {
		if (xhr.status === OK) {
			console.log(xhr.responseText); // 'This is the output.'
		} else {
			console.log('Error: ' + xhr.status); // An error occurred during the request.
		}
	}
};

// Send the request to send-ajax-data.php
xhr.send(null);
// END

// BEGIN
// send-ajax-data.php:
<?php
// This is the server-side script.
// Set the content type.
header('Content-Type: text/plain');

// Send the data back.
echo "This is the output."; ?>
// END 
  
// BEGIN  
// Fetch is a new native JavaScript API  
fetch('send-ajax-data.php')
    .then(data => console.log(data))
    .catch (error => console.log('Error:' + error));
// END

// BEGIN
// ES7 async/await example:  
async function doAjax() {
    try {
        const res = await fetch('send-ajax-data.php');
        const data = await res.text();
        console.log(data);
    } catch (error) {
        console.log('Error:' + error);
    }
}

doAjax();
// END
Posted by: Guest on December-19-2020

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