How to call a REST web service API from JavaScript?

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Sometimes, we want to call a REST web service API from JavaScript.

In trhis article, we’ll look at how to call a REST web service API from JavaScript.

How to call a REST web service API from JavaScript?

To call a REST web service API from JavaScript, we use fetch.

For instance, we write

const userAction = async () => {
  const response = await fetch("http://example.com/movies.json");
  const myJson = await response.json();
  // ...
};

to define the userAction function.

In it, we call fetch with a URL to make a get request to it.

Then we get the JSON response body with response.json.

Conclusion

To call a REST web service API from JavaScript, we use fetch.

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