Get WordPress CPT from front end

get-post-type.js

(function( $ ) {
	'use strict';
	
	var attrs, attr, postType;
	postType = null;

	$(function() {

		// Look to see what type of post type we're working with
		attrs = $( 'body' ).attr( 'class' ).split( ' ' );
		$( attrs ).each(function() {

			if ( 'post-type-' === this.substr( 0, 10 ) ) {

				postType = this.split( 'post-type-' );
				postType = postType[ postType.length - 1 ];

				return;

			}

		});

	});
	
})( jQuery );