send json post ajax javascript
$.ajax({
url: 'users.php',
dataType: 'json',
type: 'post',
contentType: 'application/json',
data: JSON.stringify( { "first-name": $('#first-name').val(), "last-name": $('#last-name').val() } ),
processData: false,
success: function( data, textStatus, jQxhr ){
$('#response pre').html( JSON.stringify( data ) );
},
error: function( jqXhr, textStatus, errorThrown ){
console.log( errorThrown );
}
});ajax post request javascript
function myFunction()
{
var elements = document.getElementsByClassName("formVal");
var formData = new FormData();
for(var i=0; i<elements.length; i++)
{
formData.append(elements[i].name, elements[i].value);
}
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function()
{
if(xmlHttp.readyState == 4 && xmlHttp.status == 200)
{
alert(xmlHttp.responseText);
}
}
xmlHttp.open("post", "server.php");
xmlHttp.send(formData);
}javascript ajax post send an object
function postAjax(url, data, success) { var params = typeof data == 'string' ? data : Object.keys(data).map( function(k){ return encodeURIComponent(k) + '=' + encodeURIComponent(data[k]) } ).join('&');
var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP"); xhr.open('POST', url); xhr.onreadystatechange = function() { if (xhr.readyState>3 && xhr.status==200) { success(xhr.responseText); } }; xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest'); xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded'); xhr.send(params); return xhr;}
// example requestpostAjax('http://foo.bar/', 'p1=1&p2=Hello+World', function(data){ console.log(data); });
// example request with data objectpostAjax('http://foo.bar/', { p1: 1, p2: 'Hello World' }, function(data){ console.log(data); });Copyright © 2021 Codeinu
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