Frontend>In The News

How to write your first unit test in JavaScript

CommunityNews

CommunityNews

How to write your first unit test in JavaScript

How to write your first unit test in JavaScript | Snyk.
Testing code is the first step to making it secure. One of the best ways to do this is to use unit tests, ensuring that each of the smaller functions within an app behave as they should — especially when the app receives edge-case or invalid inputs, or inputs that are potentially harmful.

Read in full here:

This thread was posted by one of our members via one of our news source trackers.

View thread on forum
/js#test
0 1019 0

Where Next?

View thread on forum
js
test
Home Frontend>In The News
/js#test
0 1019 0
Last post

Popular Frontend topics Top

First poster: bot
Frontend>In The News

Fortran Compiled to WebAssembly
github.com
#fortran/wasm
0 1351 0
New
First poster: bot
Frontend>In The News

Wasmino = WASM and Arduino – Running Arduino Code in Browser
Wasmino = WASM + Arduino (Running Arduino code in browser). Wasmino Running the “Fade” example Wasmino is an Arduino core fully compatib...
blog.yifangu.com
#browser#code/wasm
0 1401 0
New
First poster: bot
Frontend>In The News

Why we chose Typescript for the Hasura Console
At Hasura, we wanted to introduce a statically typed frontend language for quite some time now. We discussed which one we should choose a...
hasura.io
/typescript
0 1399 0
New
First poster: mafinar
Frontend>In The News

The Immaturity of JavaScript
This is going to come across as a rant, so I’ll do my best to refrain from blaming any one project or source and just make a generalized ...
dev.to
/js
41 2074 12
New
CommunityNews
Frontend>In The News

Dwitter - JavaScript demos in 140 characters
See them here: This thread was posted by one of our members via one of our news source trackers.
dwitter.net
/js#demos
3 1197 1
New
First poster: bot
Frontend>In The News

Kotlin for JavaScript
Kotlin/JS provides the ability to transpile your Kotlin code, the Kotlin standard library, and any compatible dependencies to JavaScript....
kotlinlang.org
/js/kotlin
0 1213 0
New
First poster: bot
Frontend>In The News

Type-Level TypeScript
Type-Level TypeScript — Introduction. A course to take your TypeScript skills to the next level!
type-level-typescript.com
/typescript#type
0 1119 0
New
First poster: bot
Frontend>In The News

SVGs as Elm Code
SVGs as Elm Code. Moving SVGs out of the file system and into regular Elm code can make icons easier to manage, especially if you find y...
blog.noredink.com
/elm#code
0 1152 0
New
First poster: bot
Frontend>In The News

Speeding up the JavaScript ecosystem - one library at a time
Speeding up the JavaScript ecosystem - one library at a time. Most popular libraries can be sped up by avoiding unnecessary type convers...
marvinh.dev
/js#library
0 1029 0
New
CommunityNews
Frontend>In The News

Node.js — Running TypeScript Natively
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command lin...
nodejs.org
/typescript
0 643 0
New

Other popular topics Top

Devtalk
General Dev>Dev Chat

HELLO WORLD (Introductions thread!)
Hello Devtalk World! Please let us know a little about who you are and where you’re from :nerd_face:
#community
483 7885 117
New
PragmaticBookshelf
Game Dev>Learning Resources

The Ray Tracer Challenge
Brace yourself for a fun challenge: build a photorealistic 3D renderer from scratch! In just a couple of weeks, build a ray tracer that r...
pragprog.com
#pragprog#published-book/book-the-ray-tracer-challenge#algorithms
3 6115 0
New
Exadra37
Linux>Questions

AMD or Intel for Programming with Linux as the OS?
I am thinking in building or buy a desktop computer for programing, both professionally and on my free time, and my choice of OS is Linux...
#mobile#android#web-development#linux#desktop-computer#mobile-development
36 6006 10
New
AstonJ
General Dev>Hardware

Keyboard thock (sound)
I’ve been hearing quite a lot of comments relating to the sound of a keyboard, with one of the most desirable of these called ‘thock’, he...
/keyboards#mechanical-keyboards
14 11197 8
New
AstonJ
General Dev>Hardware

BIIP MT3 Extended 2048 Custom Keycap Set (Drop)
This looks like a stunning keycap set :orange_heart: A LEGENDARY KEYBOARD LIVES ON When you bought an Apple Macintosh computer in the e...
/keyboards#apple#keycaps#mechanical-keyboards
14 6713 7
New
DevotionGeo
General Dev>Dev Chat

The V Programming Language
The V Programming Language Simple language for building maintainable programs V is already mentioned couple of times in the forum, but I...
#programminguages/v
21 13874 7
New
Maartz
General Dev>Dev Chat

Roc Language - a new purely functional programming language built for speed and ergonomics
Hi folks, I don’t know if I saw this here but, here’s a new programming language, called Roc Reminds me a bit of Elm and thus Haskell. ...
#programminguages#functional-programming
49 5164 14
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Erin Dees (Author) Interview and AMA!
Author Spotlight Erin Dees @undees Welcome to our new author spotlight! We had the pleasure of chatting with Erin Dees, co-author of ...
#author-spotlight/ruby/rails/book-effective-testing-with-rspec-3/book-seven-more-languages-in-seven-weeks/book-cucumber-recipes#rspec
24 4247 11
New
CommunityNews
General Dev>In The News

X can’t stop spread of explicit, fake AI Taylor Swift images
Will Swifties’ war on AI fakes spark a deepfake porn reckoning?
arstechnica.com
/swift
0 8379 0
New
RobertRichards
Game Dev>Chat

Hair Salon Games for Girls Fun
Hair Salon Games for Girls Fun Girls Hair Saloon game is mainly developed for kids. This game allows users to select virtual avatars to ...
#ios#android#unity#fun
2 3556 1
New
Back to top

Sponsor Spotlight

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Latest in JavaScript

JavaScript Portal ❯

Frontend>In The News

Frontend In The News ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap