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Register Script jquery 2 & bootstrapt

// Register Script
function custom_scripts() {

	wp_deregister_script( 'jquery' );
	wp_register_script( 'jquery', '//code.jquery.com/jquery-2.1.1.min.js', false, '2.1.1', false );
	wp_enqueue_script( 'jquery' );

	wp_deregister_script( 'bootstrap' );
	wp_register_script( 'bootstrap', '//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js', array( 'jquery' ), '3.2.0', false );
	wp_enqueue_script( 'bootstrap' );

}

// Hook into the 'wp_enqueue_scripts' action
add_action( 'wp_enqueue_scripts', 'custom_scripts' );