// Find all <div> elements 
  var div = document.getElementsByTagName(“div”);
  for ( var i = 0; i < div.length; i++ ) {
      // If  the <div> has one class of ‘warning’
      if ( div[i].className == “warning” ) {
  
          // Remove the <div> from the document
          div[i].parentNode.removeChild( div[i] );
  
          // Decrease the counter – because we just removed one of the <div>s
          i--;
  
      }
  }