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content(docs): fix typo in JS async/await

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This commit is contained in:
Dhanush Adithya
2020-07-24 11:23:16 -04:00
committed by Jean-Philippe Sirois
parent defc87a36e
commit eda6adb16e
1 changed files with 3 additions and 3 deletions
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src/content/resources/language/javascript/promises/async-await.md
+3 -3
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@@ -26,8 +26,8 @@ async function getWeather() {
return "sunny"; return "sunny";
} }
getPromise(); getWeather();
// Promise<"sunny"> // Promise {<resolved>: "sunny"}
``` ```
This basic example will return a promise with the value of `getWeather`. This basic example will return a promise with the value of `getWeather`.
@@ -135,7 +135,7 @@ async function getCharacters() {
In this example, we are querying real data from the Rick & Morty API. This API has a lot of information regarding Rick & Morty, but here, we are trying to retrieve all the characters. In this example, we are querying real data from the Rick & Morty API. This API has a lot of information regarding Rick & Morty, but here, we are trying to retrieve all the characters.
- The first thing we do is use `fetch` to retrieve the data from the API. `fetch` is a built in function in web browsers to do http requests, and returns a Promise by default. We `await` the result of this. - The first thing we do is use `fetch` to retrieve the data from the API. `fetch` is a built in function in web browsers to do http requests, and returns a Promise by default. We `await` the result of this.
- When we get the result, we need to get the `JSON` value of the data. To do this, the `.json()` method from fetch is used. We then return the results. - When we get the response, we need to get the `JSON` value of the data. To do this, the `.json()` method from fetch is used. We then return the results.
- As `await` can only be used in an `async` function, we use the method from above to make this work. As `getCharacters()` returns a Promise due to it being `async`, we `await` the result. We surround this in a `try...catch` in case fetch returns an error. Then, if no error is returned, `characters` contains the information we want, and is logged to the console. If `getCharacters()` returns an error, that error is also logged. - As `await` can only be used in an `async` function, we use the method from above to make this work. As `getCharacters()` returns a Promise due to it being `async`, we `await` the result. We surround this in a `try...catch` in case fetch returns an error. Then, if no error is returned, `characters` contains the information we want, and is logged to the console. If `getCharacters()` returns an error, that error is also logged.
### Let's also look at an example from Discord.js: ### Let's also look at an example from Discord.js: