paginate.js

function paginate( e ) {
  // find the event target
  var $target = e.target;
  // if the target is a next or previous link…
  if ( $target.matches( '.pagination .next, .pagination .prev' ) )
  {
    // handle pagination  
  }
}

// find the main element
var $main = document.querySelector('main');
// watch for clicks and determine if we should paginate
$main.addEventListener( 'click', paginate, false );