// Intentionally using non-strict comparison with ==, not ===, because of phab:T54542 if ( mw.user.options.get( 'wikibase-otherprojects' ) == 0 ) {

   mw.loader.using( 'mediawiki.api', function () {        ( new mw.Api() ).postWithToken( 'options', {            action: 'options',            optionname: 'wikibase-otherprojects',            optionvalue: 1        } );    } ); 

}