WP wp_enqueue_scripts action

functions.php

add_action( 'wp_enqueue_scripts', 'my_scripts_method' );
function my_scripts_method(){
	wp_enqueue_style( 'style', get_stylesheet_uri(), array(), hash_file('crc32',  get_stylesheet_uri()));
	wp_enqueue_script('libs', get_template_directory_uri() . '/js/libs.js', array(), hash_file('crc32', get_template_directory_uri() . '/js/libs.js'), true);
	wp_enqueue_script('custom', get_template_directory_uri() . '/js/common.js', array(), hash_file('crc32',  get_template_directory_uri() . '/js/common.js'), true);
	wp_deregister_script( 'jquery-core' );
	wp_register_script( 'jquery-core', '//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js');
	wp_enqueue_script( 'jquery' );
};