Hide header on specific slide of Revolution Slider

custom.js

<script>
  var revapi = jQuery(document).ready(function() {
        jQuery('#rev_slider_2_3').show().revolution({
            waitForInit: true,
            /* SLIDER SETTINGS CONTINUED */
        });
    });
	// only start the slider once the entire window has loaded
    revapi.on('revolution.slide.onchange', function(event, data) {
		var get_id1 = data.currentslide[0]['id'];
		console.log(get_id1);
		if(get_id1 == "intro-video"){
			jQuery(".et-l--header .et_pb_section").css('opacity', '0');
		}
		else{
			jQuery(".et-l--header .et_pb_section").css('opacity', '1');
		}
 
});
	</script>