Why does the Go Playground return a \'Protocol Not Available\' error when using `http.Get`?

Why does HTTP Client return "Protocol not available" error in Go Playground?

In Go, the http.Get function is used to make HTTP GET requests. However, when using the Go Playground to try out the example provided at http://golang.org/pkg/net/http/#example_Get, users might encounter an error stating "dial tcp: Protocol not available." This error is encountered when making HTTP requests specifically within the Go Playground.

The cause of this error lies in the security precautions implemented by the Go Playground. To protect user privacy and prevent malicious activity, the Playground does not permit HTTP requests. This is because HTTP requests can interact with external servers and transfer potentially sensitive data, such as user information or data from third-party APIs.

Instead of making direct HTTP requests, the Go Playground provides an environment where users can experiment with and execute code safely without external interactions. This approach helps preserve user privacy and maintain the security of the Playground ecosystem.

Therefore, if you are attempting to make HTTP requests using http.Get within the Go Playground, you will encounter the "dial tcp: Protocol not available" error. This error is a result of the Playground's security measures, and should not be interpreted as an issue with your code or the HTTP library.

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