--- title: httpGet tags: browser,intermediate firstSeen: 2018-01-08T18:21:52+02:00 lastUpdated: 2020-10-19T22:49:51+03:00 --- Makes a `GET` request to the passed URL. - Use the `XMLHttpRequest` web API to make a `GET` request to the given `url`. - Handle the `onload` event, by calling the given `callback` the `responseText`. - Handle the `onerror` event, by running the provided `err` function. - Omit the third argument, `err`, to log errors to the console's `error` stream by default. ```js const httpGet = (url, callback, err = console.error) => { const request = new XMLHttpRequest(); request.open('GET', url, true); request.onload = () => callback(request.responseText); request.onerror = () => err(request); request.send(); }; ``` ```js httpGet( 'https://jsonplaceholder.typicode.com/posts/1', console.log ); /* Logs: { "userId": 1, "id": 1, "title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit", "body": "quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto" } */ ```