Ajax Call to WP-API

example.js

jQuery( function( $ ) {
	$.ajax( {
		url: 'http://wcct.dev/wp-json/wp/v2/posts?filter[order]=ASC&filter[category_name]=slides&filter[posts_per_page]=-1',
		success: function ( data ) {
			
			$.each( data, function( key, value ) {
				urlstring = '';
				if ( value.featured_image_thumbnail_url !== null ) {
					urlstring = ' data-background="' + value.featured_image_thumbnail_url + '"';
				}
				
				excerptText = '<aside class="notes">' + value.excerpt.rendered + '</aside>';
				cf_author = value.cf_author;
				cf_footer = value.cf_footer;
				
				if ( value.cat_name === 'Intro' ) {
					$( '<section' + urlstring + '><h2></h2>' + value.content.rendered + excerptText + '</section>' ).appendTo( '.slides' );
				} else if ( value.cat_name === 'Title' ) {
					$( '<section' + urlstring + '><h1>' + value.title.rendered + '</h1><h3>' + value.content.rendered + '</h3>' + cf_author + cf_footer + excerptText + '</section>' ).appendTo( '.slides' );
				} else if ( value.cat_name === 'Vertical' ) {
					$( '<section' + urlstring + '>' + value.title.rendered + '</section><section>' + value.content.rendered + cf_footer + excerptText +  '</section>' ).appendTo( '.slides' );	
				} else {
					$( '<section' + urlstring + '><h2>' + value.title.rendered + '</h2>' + value.content.rendered + cf_footer + excerptText +  '</section>' ).appendTo( '.slides' );	
				}
			
			});
			// Initialize RevealJS here
			startRevealJS();
		},
		cache: false
	} );
});