Pass data from jQuery to PHP for an ajax post

Question

Hello I am a newbie working with jQuery and Ajax. I am trying submit data to the server using Jquery POST method. And the data that I am passing is a string. Now I am unable

Answer 1

//javascript
if(step==1)
{
   var data = {'MyFieldName':document.getElementById('hiddenContact').value};
   $.post('/callcenter/admin/postContacts', data, function(returnData){
      alert('The server said ' + returnData);
   });
}

//read the post in php