cors error for local js running app for get account details

Screenshot (68).pngWe are using js app for test API, we are able to login with credentials but for getting the account details method from SDK we get a cors error.Screenshot (66).png

we are using URL to run the application http://localhost:8080/

on client.account().get() SDK hit API and the URL is and getting cors issue added screenshots for more information
https://platform.ringcentral.com/account/~

are we able to enable CORS to resolve this issue? please provide us your input.