if (typeof URLSearchParams !== 'undefined') {
  const params = new URLSearchParams('param1=1¶m2=2¶m3=3')
  
  console.log(params.toString())
  
  params.delete('param2')
  
  console.log(params.toString())

} else {
  console.log(`Your browser ${navigator.appVersion} does not support URLSearchParams`)
}