resourceRandomizer.js

const createScript = (path, version) => {
  const scriptTag = document.createElement('script')

  scriptTag.src = path + '?v=' + version
  scriptTag.type = 'text/javascript'

  document.head.appendChild(scriptTag)
}

const createStyle = (path, version) => {
  const linkTag = document.createElement('link')

  linkTag.href = path + '?v=' + version
  linkTag.rel = 'Stylesheet'
  linkTag.type = 'text/css'

  document.head.appendChild(linkTag)
}

const getCurrentTimeMillis = () => new Date().getTime()

const invalidResource = () => { throw Error('Recurso inválido.') }

const randomizeResources = (arrResources) => {
  for(let res of arrResources)
    (res.endsWith('.js')) ? createScript(res, getCurrentTimeMillis())
      : (res.endsWith('.css')) ? createStyle(res, getCurrentTimeMillis())
        : invalidResource()
}

// execução
const resources = [ /* Seus recursos aqui (css/js) */ ]

randomizeResources(resources);