run php script with ajax code example

Example 1: ajax project using php and jquery

<script>
var objXMLHttpRequest = new XMLHttpRequest();
objXMLHttpRequest.onreadystatechange = function() {
  if(objXMLHttpRequest.readyState === 4) {
    if(objXMLHttpRequest.status === 200) {
          alert(objXMLHttpRequest.responseText);
    } else {
          alert('Error Code: ' +  objXMLHttpRequest.status);
          alert('Error Message: ' + objXMLHttpRequest.statusText);
    }
  }
}
objXMLHttpRequest.open('GET', 'request_ajax_data.php');
objXMLHttpRequest.send();
</script>

Example 2: ajax call php

$.ajax({ url: '/my/site',
         data: {action: 'test'},
         type: 'post',
         success: function(output) {
                      alert(output);
                  }
});