update httpGet

snippets/httpGet.md

@@ -3,22 +3,19 @@
 Makes a `GET` request to the passed URL.
 
 Use `XMLHttpRequest` web api to make a `get` request to the given `url`.
-Handle the `onload` event, by running the provided `callback` function.
+Handle the `onload` event, by console logging the `responseText`.
 Handle the `onerror` event, by running the provided `err` function.
-Omit the third argument, `err` to log the request to the console's error stream by default.
 
 ```js
-const httpGet = (url, callback, err = console.error) => {
+const httpGet = (url, err = console.error) => {
   const request = new XMLHttpRequest();
   request.open("GET", url, true);
-  request.onload = () => callback(request);
+  request.onload = () => console.log(request.responseText);
   request.onerror = () => err(request);
   request.send();
 };
 ```
 
 ```js
-httpGet('https://website.com/users', request => {
-  console.log(request.responseText);
-}); // 'Retrieves all users from the database'
+httpGet('https://jsonplaceholder.typicode.com/posts'); // 'Console logs JSON of 100 posts'
 ```