As a JavaScript testing framework, Jest has an extensive collections of APIs that will make our lives easier and help with mocking dependencies. However, sometimes there are so much options that it’s hard to know all of them, let alone determine the most optimal one. I had a similar case...
While developing a JavaScript application, you must have gone through situations where you needed to import functionality from another module. You may have wondered about the different ways you can import a module in JavaScript. Here comes this tutorial. In this tutorial, we will explore the metho...
To make a GET request using Axios, you need to provide the URL from which the data is to be read or fetched to the url property, and the string "get" to the method property in the config object: // send a GET request axios({ method: 'get', url: 'api/items' }); This code ...
Why? And how can you make ES6 modules work in browsers?You just have to do one tiny change: instead of loading your main entry point JavaScript file using<script src="index.js"></script>add type="module":<script type="module" src="index.js"></script>...
Pack the whole thing in a require.js module Use other libraries as a base for your framework (If it is about being productive and not doing it for the craic you don't have to reinvent the wheel) Always have a list of bugs and new features next to you, and mix the different things...
Now, JavaScript has its own built-in way to make API requests. This is the Fetch API, a new standard to make server requests with Promises, but which also includes additional features. Prerequisites A local development environment for Node.js. FollowHow to Install Node.js and Create a Local...
Module: public/sw.js constcacheName='Temporas';// Cache all the files to make a PWAself.addEventListener('install',e=>{e.waitUntil(caches.open(cacheName).then(cache=>{// Our application only has two files here index.html and manifest.json// but you can add more such as style.css ...
Alright, so you're all geared up to make the switch to TypeScript with your React project? Great decision! But before we dive into the actual process, we need to make sure a few things are in place. Consider this our prep stage, where we get all our tools ready so that the transiti...
module.exports = router; Note, we might see a performance impact if we deployed this to a server. Each lookup comes after a single keypress, which may not make sense when users are typing multiple keystrokes. You’ll want to incorporate a delay in your front end before you connect to...
Function import and export for JavaScript are new features that will make you a better developer. Here's how these features work. What Is a JavaScript Module? A JavaScript module is a JavaScript file that contains a collection of code for you to use. Modules are usually written in separate ...