utmのパラメータをURLから取り除くuser.js

remove-utm.user.js

/**
 * Remove utm parameters from url 
 * ( Use this as bookmarklet )
 */
(function(){
  var search, params, i, re; 
  search = location.search.replace( /^\?/, '' ).split( '&' );
  params = []; 
  if (!search) return;
  i = search.length;
  while( i-- ){
    if( !search[i].match( /^utm_|^fb_action|^fb_source|^action_object_map|^action_type_map|^action_ref_map/ ) ){
      params.push( search[i] );
    } else {
      re = true;
    }
  }
  if (re) {
    history.pushState('','',location.pathname + (( params.length ) ? '?' + params.join( '&' ) : '' ));
  }
})();