Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.
mw.loader.using( 'mediawiki.util', function () {
    importScript('User:DannyS712 test/append.js');
    $(document).ready( function () { 
        var link = mw.util.addPortletLink( 'p-cactions', '#', 'Cats', 'ca-cats', 'cats'); 
        $( link ).click( function ( event ) {
            event.preventDefault();
            cats();
        } );
    } );
} );
function cats () {
	var page = prompt("Please enter the category name (not including \"Category:\")", "Wikipedians");
	var number = parseInt(prompt("How many links would you like added", "10"), 10);

	if (page === null || page === "") {
	  console.log( "User cancelled the prompt." );
	} else {
		console.log( page );
		var catRequest = {
            action: 'query',
            list: 'categorymembers',
            cmlimit: number,
            cmtitle: 'Category:' + page,
            cmprop: 'title',
            format: 'json'
		};
		$.get( mw.config.get( 'wgScriptPath' ) + '/api.php', catRequest, function( catResponse ) {
			var pages = catResponse.query.categorymembers;
			var listed = [];
			var links = "";
			for (var i = 0; i < pages.length; i++) {
				listed.push('* [[' + pages[i].title + ']]\n');
				links = links + listed[i];
			}
			addNewSection( 'adding links', 'links', links );
		} );
	}
}