使用jQuery Ajax将javascript变量发送到PHP脚本

Question

I'm trying to send a JavaScript variable to a php script using ajax. This is my first time using ajax and I don't know where I went wrong. Here's my code

function selectcat(v) {
        $.ajax({

        type: "GET",
        url: "myurl.php",
        dataType: "script",
        data: { "selected_category" :  v}
    }).done(function() { 
    window.location.href = "http://mywebsite.com";

    });
        }

All help is appreciated

Here's the HTML

<ul class="cat">
<li class="opt" onclick="selectcat('option1')">option1</li>
<li class="opt" onclick="selectcat('option2')">Option 2</li>

</ul>

This is the ajax php file

<?php
session_start();
$ctgry = $_GET['selected_category'];
$_SESSION['select_cat'] = $ctgry;
?>

Answer 1

Hi this is what I do to call an ajax request You can post data or load a file using following code:

 $("#button click or any other event").click(function(){
try
  {
    $.post("my php page address",
      {
         'Status':'6',
         'var one':$("#myid or .class").val().trim(),
         'var 2':'var 2'
     }, function(data){
           data=data.trim();
      //   alert(data);
// this  data is data that the server sends back in case of ajax request you 
//can send any type of data whether json or or json array or any other type 
//of data

         });
    }
    catch(ex)
    {
        alert(ex);
    }
  });

I hope this help!