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');
}
});ajax syntax in javascript
var id = empid;
$.ajax({
type: "POST",
url: "../Webservices/EmployeeService.asmx/GetEmployeeOrders",
data: "{empid: " + empid + "}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function(result){
alert(result.d);
console.log(result);
}
});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>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();
// ENDCopyright © 2021 Codeinu
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