add output to 10_create-js-files

Author: mattdavis0351

responses/10_create-js-files.md

@@ -50,13 +50,17 @@ We will also create a file named `main.js` that resides inside of the `.github/a
 
 That file will look like this:
 
-![screenshot of main.js file](https://i.imgur.com/pTBDECt.png)
+![screenshot of main.js file](https://i.imgur.com/oo7WkvE.png)
 
-Like we did in the `joke.js` file, we are first going to bring in our dependencies. Only this time, our dependency isn't something we installed, it's something we wrote! To do that we simply use `require()` to point to the location of the file we wish to bring in.
+Like we did in the `joke.js` file, we are first going to bring in our dependencies. Only this time, our dependencies include something we wrote! To do that we simply use `require()` to point to the location of the file we wish to bring in.
+
+We also bring in `@actions/core` so that we can set the output of our Action.
 
 Next we write another **asynchronous JavaScript function** that stores the return value of `getJoke()` in a variable called **joke**.
 
-Then we finish the function with a simple joke logged to the console.
+Then we log the joke to the console.
+
+Finally we finish the function with by setting the contents of the joke as the value of the `joke-output` output parameter. We will use this output later in the course.
 
 Don't forget to call the `run()` function.
 
@@ -91,10 +95,12 @@ Don't forget to call the `run()` function.
 
    ```javascript
    const getJoke = require("./joke");
+   const core = require("@actions/core)
 
    async function run() {
      const joke = await getJoke();
      console.log(joke);
+     core.setOutput("joke-output", joke)
    }
 
    run();