Javascript

<?php
    $ts = time();
    $token = generate_action_token($ts);
?>
<script>
$(document).ready(function() {
    sendData();
}
function sendData()
{
    $.getJSON('<?php echo $vars['url']?>action/v-share/test', { 'var':'foo', '__elgg_ts':'<?php echo $ts;?>','__elgg_token':'<?php echo $token;?>' }, checkData);
}
function checkData(data)
{
    alert(data.responsevar);
}
</script>
<div id="vardata"></div>