DEV Community: Jimmy Willams

Create a Client-Side File Download – JavaScript Tutorial

Jimmy Willams — Sat, 06 Aug 2022 18:22:41 +0000

https://youtu.be/oHGnaE2BQXo

How to create a client-side file download using JavaScript.

Create QR Codes in JavaScript with QRCodes.js

Jimmy Willams — Sat, 06 Aug 2022 18:19:02 +0000

https://youtu.be/n4EcafItkMw

You can easily generate custom QR Codes in JavaScript by using the QRCodes.js library.

Frontend pagination with JavaScript

Jimmy Willams — Sat, 06 Aug 2022 18:16:36 +0000

https://youtu.be/6Llzhj15ssM

This tutorial shows you how to implement frontend pagination using vanilla JavaScript.

Introduction to the File System Module ('fs') in Node.js

Jimmy Willams — Wed, 22 Jun 2022 13:06:22 +0000

https://www.youtube.com/watch?v=dtTnWxfH19U

The File System Module ('fs') in Node.js allows you to interact with the file system using JavaScript. This tutorial shows you how to write and read a file asynchronously and synchronously.

File Upload using Fetch API - JavaScript Tutorial

Jimmy Willams — Wed, 22 Jun 2022 13:03:51 +0000

https://www.youtube.com/watch?v=e13T3O0Iyvc

This tutorial shows you how to upload a file to a server using JavaScript's Fetch API (POST or PUT request). The file and other form data are sent as part of a FormData object.

POST form data using JavaScript's Fetch API

Jimmy Willams — Wed, 22 Jun 2022 13:00:12 +0000

https://www.youtube.com/watch?v=TTf0mMl0Sc4

Form data can be sent via JavaScript's Fetch API by converting the form element into a FormData object or a URL-encoded string and specifying this as the body of the fetch request.

Better than Math.random() password generator!

Jimmy Willams — Tue, 21 Jun 2022 10:19:44 +0000

https://www.youtube.com/watch?v=ssYo9t37pE4

This tutorial shows you how to create a random password generator function in JavaScript.

The function uses crypto.getRandomValues, which generates more strongly random values than Math.random().

The password length can be determined by passing it in as an argument to the function.

Axios API for JavaScript: GET, POST, PUT and DELETE requests

Jimmy Willams — Mon, 20 Jun 2022 15:29:00 +0000

https://youtu.be/661GhwA3nYI

This tutorial shows you how to make HTTP requests (GET, POST, PUT and DELETE) using the Axios API in frontend, vanilla JavaScript.

Using Fetch API in React with Function Components

Jimmy Willams — Mon, 20 Jun 2022 15:21:56 +0000

https://youtu.be/aprOT-hp_Ho

This tutorial shows you how to make HTTP requests in React using the native Fetch API.

The tutorial uses modern function components with the useState() and useEffect() hooks to make Fetch only run once upon component render.

Async/Await in JavaScript Tutorial for Beginners

Jimmy Willams — Sun, 19 Jun 2022 15:07:06 +0000

https://youtu.be/7l2-ds_U2Lc

Async/Await syntax allows you to handle the results of JavaScript promises within async functions using the key keyword await.

This beginner-friendly tutorial shows you how to rewrite regular functions using async/await syntax and handle errors using try/catch.

How to use fetch in JavaScript: GET, POST, PUT and DELETE requests

Jimmy Willams — Sun, 19 Jun 2022 14:35:04 +0000

https://www.youtube.com/watch?v=hOXWY9Ng_KU

In this video tutorial, I cover how to use the Fetch API in JavaScript to make all types of request: GET, POST, PUT and DELETE requests,

Also covered are two ways to handle errors: using a catch() statement and query res.ok on the response object.