To move third-party JS out of the head seamlessly

filter_wp_scripts_via_hook.php

//add_action( 'wp_print_scripts', 'sz_enqueue_scripts', 10); //run later or via wp_print_scripts ot catch all scripts
	add_action( 'wp_enqueue_scripts', 'sz_enqueue_scripts', 999); 
	function sz_enqueue_scripts(){
		global $wp_scripts;
		//change dependency to load earlier
		$handles_to_filter = array('dt-above-fold');
		$dependency_handle_to_add = 'wpb_composer_front_js';  //TODO: accept array
		foreach ($handles_to_filter as $handle_to_filter){
			foreach( $wp_scripts->registered as $script_object) { //find script in registered by handle
				if ($script_object->handle == $handle_to_filter){ 
					 //let's add dependency
					$script_object->deps[] = $dependency_handle_to_add;
				}					
			}
		}
		//Problem: if dependancy script is in footer, and filtered script is in header, it brings the dependant up, not vice versa
		
		//just bring to footer
		$handles_to_put_in_footer = array('ultimate-modernizr','jquery_ui','jquery.vhparallax','ultimate-row-bg','jquery.ytplayer','jquery.shake');
		
		foreach ($handles_to_put_in_footer as $handle_to_filter){
			foreach( $wp_scripts->registered as $script_object) { //find script in registered by handle
				if ($script_object->handle == $handle_to_filter){ 
					 //let's add dependency
					$script_object->extra['group'] = 1;					
				}					
			}
		}
	}