Issue On Zoom Meeting SDK Sample JavaScript

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we are implementing Zoom SDK on the web for Zoom meetings on our client site.
I am tried https://github.com/zoom/meetingsdk-web-sample
these codes are on a local server but it's not working.
when clicking on Join Meeting Button it will be displaying an error like below:
Access to fetch at 'https://zoom.us/oauth/authorize?response_type=code&client_id=.......&redirect_uri=https%3A%2F%2Fwww....' from origin 'http://localhost' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

How to resolve this issue? and how we will do meetings join or host from the website?

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