If you love little JavaScript coding challenges that teach you about the basics of the language, you'll enjoy TypeOfNaN JavaScript Quizzes, a project by Nick Scialli and a number of other contributors.

Even after writing JavaScript for many years, I still find it hard to believe how many of such questions I get wrong. Ultimately, I don't think that matters unless I'm live coding in front of an audience or something. Debugging is part of the workflow so even if we get something subtle wrong initially, we can usually figure out the problem and fix it. What we are aiming for in most cases is an end result, not necessarily a process. But a little quiz like this can definitely enhance your understanding, and that can't hurt!

And if you like interesting little JavaScript tidbits like I often share in this newsletter, don't forget that I've compiled all my previous tutorials with updated demos and code samples in an e-book bundle you can grab from Leanpub.

Now on to this week's tools!

Text Editors, IDEs, etc.

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Debug Visualizer
A VS Code extension for visualizing data structures while debugging. Works best with JavaScript/TypeScript. Also tested with C#, Java, and PHP. Works with any language that you can debug in VS Code.

Lens.vim
An automatic window resizing plugin for Vim. Automatically resizes windows when their content exceeds their window dimensions, but does so respecting some minimum and maximum resize bounds.

guijs
A multi-purpose native Windows and Mac app to help you manage your development projects. Has features for projects, package installation, script management, and more.

OpenChakra
Full-featured visual editor and code generator for React using Chakra UI (the React component library).

Autocode
An online IDE for connecting APIs together, for makers and developers alike.

Codecov
A code coverage solution to improve your code review workflow and quality. Provides highly integrated tools to group, merge, archive, and compare coverage reports.

CodeinCloud
Provides managed and dedicated cloud IDEs, hosted private cloud solutions and DevOp pipelines. Users can access on-demand IDEs for development.

Markdown App
Online or native WYSIWYG editor for Markdown for Mac, Windows, and Linux.

iHateRegex
Interactive regex cheatsheet for searching for common or complex regular expression solutions.

Peacock
VS Code plugin to subtly change the color of your workspace. Ideal when you have multiple VS Code instances and you want to quickly identify which is which.

Testing and Debugging Tools

Haxor
Helps you support and learn from developers as they build with your products. See how developers use your product by watching their screens, code changes, and open applications.

Kasaya
A "WYSIWYG" (kind of) scripting language and run-time for browser automation.

Blisk
Now at version 12+. A developer-oriented browser that provides businesses with a development workspace for teams and freelancers to develop and test modern web applications twice as fast.

Hexometer
All-in-one website maintenance and performance monitoring tool that continuously monitors and reports 2800+ data points.

Beautify.log
A Node.js library to beautify console.logs with colors, making them easier to read and more useful.

virtual-module
Evaluate a module in a sandbox with in-memory module resolution.

findead
Dead React components finder to find components no longer in use.

ci-detect
Detect what kind of CI environment the program is in (e.g. Jenkins, GitLab, Netflify, Travis-CI, etc).

Zoya
A highly composable logging library written in TypeScript, used for both client and server applications.

React Tools

Edtr.io
A customizable edit-in-place WYSIWYG component for enabling user-editable pages in React.

resourcerer
Declarative data-fetching and caching framework for REST APIs with React.

react-typical
React typing animation in ~400 bytes of JavaScript.

React Tiny Fab
A tiny (~700 byte gzip'd) WAI-ARIA compliant floating action button for React. The home page has the button working in the bottom right corner if you want to see what this does.

react-roughviz
a thin React wrapper around roughViz, the library for creating sketchy/hand-drawn styled charts in the browser.

react-ga
A JavaScript module that can be used to include Google Analytics tracking code in a website or app that uses React for its front-end codebase.

React Awesome Slider
React content transition slider. A 60fps, lightweight, performant component that renders an animated set of production-ready general purpose sliders.

React Tippy
A lightweight tooltip library for React based on Tippy.js and powered by Popper.js.

react-adal
Azure Active Directory Library (ADAL) support for React.

iframe-resizer-react
The official React interface for iFrame Resizer, a library that auto-resizes height and width of same- and cross-domain iframes to fit their contained content.

React Puzzle Confirm
This is kind of odd. It's a modal to "confirm" (kind of like a captcha) by fitting a puzzle piece using a slider.
 

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Made something? Send links via Direct Message on Twitter @WebToolsWeekly (details here). No tutorials or articles, please. If you have any suggestions for improvement or corrections, feel free to reply to this email.
 

Before I Go...

Speaking of code editors, Codewerks is a new project that is running a Kickstarter for "software using a streamlined iPad interface that gives you all the flexibility of a Linux machine."

Thanks to everyone for subscribing and reading!

Keep tooling,
Louis
webtoolsweekly.com
@WebToolsWeekly
PayPal.me/WebToolsWeekly
WTW on YouTube

Last week I covered a really simple introduction to the HTML Drag and Drop API, for those of you who have never used it before. The demo has the minimum code required to produce a drag and drop example. Let's take that a little further and incorporate the dataTransfer object, which has methods and properties that can be used in the midst of a drag and drop operation.

First, I can use the setData() method of the dataTransfer object, which I'll incorporate in the midst of my event listener when listening for a dragstart event (an event I didn't need to use in the previous demo). The relevant line looks something like this (where "e" is the event object):

As you can see, the setData() method takes two arguments: The data type and the data itself. In this case, the data is simply the innerHTML of the dragged element. This is the first step in transferring data: Setting the data, which happens when the element is initially dragged.

The next key line in my code will be using the getData() method. In this case, I'll use it when the drop event is triggered on my drop area element:

The data that I'll be grabbing is text that represents a valid CSS color keyword, which will be inside each draggable element. The data could be a lot of things, but in this case I'm just using some text for demo purposes. And as you can see, the text sets the background color of the drop area element.

See the full working demo here

There's naturally a lot more code there, but it's fairly straightforward. I'm looping over the draggable boxes to add the event listeners to each one. The setData() and getData() methods are used within that loop to obtain and apply the color info.

Try dragging any of the boxes into the drop area to see the background of the drop area change. You can even try changing the HTML to use different colors (any valid CSS color value will work). As long as the color is valid, the background of the drop area element will change to that color.

And that's a basic way to use the dataTransfer object when working with the Drag and Drop API.
 

Now on to this week's tools!
 

JavaScript Utilities

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Van11y
Bit of an older project that I just discovered. A collection of customizable, accessible scripts for rich interface elements, built using progressive enhancement.

Rsup Progress
A simple progress bar with promises support.

Heapify
A very fast JavaScript priority queue, implemented using a binary heap, with no dependencies.

Nano Events
Simple and tiny (72 bytes) event emitter library for JavaScript.

Chardin.js
Simple overlay instructions for your apps. Kind of like those 'app tour' plugins, but just a single overlay pointing stuff out.

Serialize JavaScript
Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

FullCalendar
A JavaScript calendar plugin, great for displaying events with drag-and-drop capabilities and an API for extending its functionality.

defu
Utility to recursively assign default properties.

Clack
A modern keyboard shortcut library written in Typescript.

Sharect.js
A lightweight (2.9Kb gzipped and minified) JavaScript library to let users share text selections to social networks in desktop browsers (like Medium).

Uppload
A better JavaScript image uploader. Highly customizable with 30+ plugins, open-source, and can be used with any file uploading back end.

Media Tools (SVG, Video, Audio, etc.)

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mediasoup
Cutting-edge WebRTC video conferencing. The perfect choice for building multi-party video conferencing and real-time streaming apps.

gifcap
Create animated GIFs in your browser from a screen recording. Client-side only, no data is uploaded.

Tabler Icons
A set of over 400 free MIT-licensed high-quality SVG icons for you to use in your web projects. Each icon is designed on a 24x24 grid and a 2px stroke.

Video Puppet
Using a markdown file, create a video (with captions) from a chosen set of images, audio files and smaller video clips.

Exifr
The fastest and most versatile JavaScript EXIF reading library.

Seamless Pattern Generator
Create seamless, repeatable royalty free patterns for your website, or to download as SVG, JPEG or PNG.

Resoundly
Produce a podcast simply by typing the content and this app will convert it to speech.

Spline
Easily create 3D web experiences without coding. Build and iterate fast with production-ready results.

Photo Stream
Self-hosted, super simple photo stream. Built with Ruby and seems to require either Netlify or Jekyll.

Ionicons
Premium designed icons for use in web, iOS, Android, and desktop apps. Support for SVG and web font.

The Uncategorizables

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Brim
Desktop application to efficiently search large packet captures and logs from Zeek (the network security monitoring tool).

StartNames
Produces brandable ideas for domain names in a Twitter stream, based on actual domains that are for sale.

WMS Everywhere
Chrome extension to help you research search volume, advertising cost per click, and related keywords inside Google search results – free and on-demand.

PDF.js Express
Add a PDF.js viewer with out-of-the-box annotation, PDF form fill, and signing. Based on Mozilla's PDF.js (for parsing and rendering PDFs).

AsyncAPI
Open source tools to easily build and maintain your event-driven architecture. All powered by the AsyncAPI specification, the industry standard for defining asynchronous APIs.

Weglot
Allows you to make your website multilingual in minutes and to manage all your translations effortlessly.

Our Site Updates
An easy way to post updates to your website (e.g. via easy to install banners) and keep visitors informed.

RightFont
An innovative, beautiful and professional font manager app for Mac, helping designers preview, install, sync, and manage their font files.

PingPong
Remote user interviews and user tests made simple.

Extract Article Text
Lets you easily extract boilerplate-free text from news articles, blogs, press releases, and company pages with a single API request.

Commerce
Drop‑in e‑commerce for any website with a single line of code. Serverless, real‑time, and API‑first.

A Tweet for Thought

Send Me Your Tools!

Made something? Send links via Direct Message on Twitter @WebToolsWeekly (details here). No tutorials or articles, please. If you have any suggestions for improvement or corrections, feel free to reply to this email.
 

Before I Go...

This is amazing: Open and Shut lets you send messages in Morse code by repeatedly slamming your laptop shut. So if you've been kidnapped and forced to give up all your passwords or something...?

Thanks to everyone for subscribing and reading!

Keep tooling,
Louis
webtoolsweekly.com
@WebToolsWeekly
PayPal.me/WebToolsWeekly