jQuery( function( $ ) {
		let timeout;
		$('.woocommerce').on('change', 'input.qty', function(){
			if ( timeout !== undefined ) {
				clearTimeout( timeout );
			}
			timeout = setTimeout(function() {
				$("[name='update_cart']").trigger("click");
			}, 1000 ); // 500 being MS (half a second)
		});
	} );