text: document.getElementById('convert').addEventListener('click', () => {
      const val = document.getElementById('input').value
      const conv = new Converter(val)
      const output = document.getElementById('output')
      output.value = conv.convertJsonString()
      output.disabled = false
      document.getElementById('copy').disabled = false
  })
  document.getElementById('copy').addEventListener('click', () => {
      document.getElementById("output").select()
      document.execCommand("copy")
  })