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Register Script_jqury 1.0 & migrate

// Register Script
function custom_scripts() {

	wp_deregister_script( 'jquery' );
	wp_register_script( 'jquery', '//code.jquery.com/jquery-1.11.0.min.js', false, '1.11', true );
	wp_enqueue_script( 'jquery' );

	wp_deregister_script( 'jquery-migrate' );
	wp_register_script( 'jquery-migrate', '//code.jquery.com/jquery-migrate-1.2.1.min.js', array( 'jquery' ), '1.2.1', true );
	wp_enqueue_script( 'jquery-migrate' );

}

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