This format is also beneficial when you are hopping your job field. As it is more focused on the skills of the applicant, you can mention your prospective job relevant skills in resume to prove your suitability for the position. If you do not possess the skills required for the applied position, you can frame your current skills to match the requirements of the employer. Functional template will definitely hide your job hopping or employment gaps and gives you the opportunity to grab your dream job.
Different professionals suggest different ways of writing the resumes. It is best suggested to design your resume on your own keeping in mind the things that are expected by the employer and the details you possess relevant to those expected by the employer.