Answers for "how to add key to mapping javscript"

map add key to object in array javascript

const newArr = [
  {name: 'eve'},
  {name: 'john'},
  {name: 'jane'}
].map(v => ({...v, isActive: true}))

javascript map api key insert

<script async defer
        src="https://maps.googleapis.com/maps/api/js?key=YOURAPIKEY&libraries=places">
</script>