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docs/guides/cloud-logic/javascript.md

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+---
+title: Javascript in Cloud Functions
+hide_title: true
+---
+
+# Javascript in Cloud Functions
+
+Not all nodes are available to cloud functions but in terms of writing Javascript the **Function** and **Expression** nodes are available. However there are some caveats, most notably when deployed cloud functions are not running in a browser they are running in the cloud and they have a much more limited runtime environment. This means that you cannot access most of the browser APIs, the cloud runtime is limited to:
+
+- **Core Javascript Objects and Functions** The Javascript language contains a set of core objects and functions that are all available to the cloud runtime. More info [here](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects).
+
+- **The Noodl API** A subset of the Noodl API is available to cloud functions. Read more about the Noodl APIs [here](/javascript/overview). Some of the functions and objects are labeled **Only available on the frontend** and some are labeled as **Only available in cloud functions**, the rest are shared between frontend and cloud functions.
+
+## Fetch
+
+A subset of the **Fetch API** available on the browser also works in cloud functions, which is very useful for making HTTP requests to external services.
+
+**`fetch(url,options)`**  
+The **Fetch API** first takes the endpoint of the HTTP request and then an object with options. Here are a few examples, first making a simple POST request to an endpoint:
+
+```javascript
+const res = await fetch("https://some-endpoint",{
+    method:'POST',
+    headers:{
+        'content-type':'application/json'
+    },
+    body:JSON.stringify({
+        someParameters:"hello"
+    })
+})
+
+if(res.ok) {
+    Outputs.Success()
+}
+else Outputs.Failure()
+```
+
+## The Request Object
+
+In Javascript in your cloud functions you can access the request object containing data on the current request being handled.
+
+```javascript
+const request = Noodl.Objects.Request;
+
+request.UserId // Contains the user if of the user that called the cloud function, if authenticated
+request.Authenticated // Will be true if this call is authenticated
+request.Parameters // An object with the parameters of the current cloud function request
+request.Headers // An object with the HTTP headers of the current cloud function request
+```
+
+
+
+
+