CommunityNews
A Perplexing Javascript Parsing Puzzle
What does this print?
x =1 x -->0 Think it through, then try it in a browser console! Answer and explanation in the dropdown.
Show answer
It prints 1.
wait wtf At the beginning of a line (and only at the beginning of a line), → starts a comment. The JavaScript is parsed as
x=1; x; // 0 The browser then displays the value of the last expression, which of course is 1.
Read in full here:
Popular General Dev topics
Linux was first started in 1991, 29-and-a-half years ago. The POSIX standard, which Linux implements, was started in 1988, 33 years ago. ...
New
F# Is The Best Coding Language Today.
If you want to personally pick up a programming language in order to become a better coder in what...
New
You can now buy a 100W USB-C cable with a built-in power meter.
They’re just $20 on Amazon, and they work!
New
The File System Access API with Origin Private File System.
WebKit supports new API that makes it possible for web apps to create, open,...
New
Whatever happened to Elm, anyway?.
I see this question pop up quite frequently in lots of different arenas - folks are curious as to wha...
New
Hector Martin (@marcan@treehouse.systems).
Attached: 1 image
For those wondering why the hell we need all this safety system stuff for...
New
When Zig is safer and faster than Rust.
There are endless debates online about Rust vs. Zig, this post explores a side of the argument I...
New
Two US lawyers fined for submitting fake court citations from ChatGPT.
Law firm also penalised after chatbot invented six legal cases th...
New
Christian Mills - Testing Intel’s Arc A770 GPU for Deep Learning Pt. 2.
This post covers my experience training image classification mod...
New
Over the last decade, we’ve seen great advancements in distributed systems, but the way we program them has seen few fundamental improvem...
New
Other popular topics
Reading something? Working on something? Planning something? Changing jobs even!?
If you’re up for sharing, please let us know what you’...
New
Which, if any, games do you play? On what platform?
I just bought (and completed) Minecraft Dungeons for my Nintendo Switch. Other than ...
New
Just done a fresh install of macOS Big Sur and on installing Erlang I am getting:
asdf install erlang 23.1.2
Configure failed.
checking ...
New
Saw this on TikTok of all places! :lol:
Anyone heard of them before?
Lite:
New
Rails 7 completely redefines what it means to produce fantastic user experiences and provides a way to achieve all the benefits of single...
New
Author Spotlight
Erin Dees
@undees
Welcome to our new author spotlight! We had the pleasure of chatting with Erin Dees, co-author of ...
New
New
Large Language Models like ChatGPT say The Darnedest Things.
The Errors They MakeWhy We Need to Document Them, and What We Have Decided ...
New
Author Spotlight:
Tammy Coron
@Paradox927
Gaming, and writing games in particular, is about passion, vision, experience, and immersio...
New
I’m able to do the “artistic” part of game-development; character designing/modeling, music, environment modeling, etc.
However, I don’t...
New
Categories:
Sub Categories:
- All
- In The News
- Dev Chat (200)
- Questions (32)
- Resources (118)
- Blogs/Talks (26)
- Jobs (3)
- Events (15)
- Code Editors (58)
- Hardware (57)
- Reviews (4)
- Sales (15)
- Design & UX (4)
- Marketing & SEO (1)
- Industry & Culture (14)
- Ethics & Privacy (19)
- Business (4)
- Learning Methods (4)
- Content Creators (7)
- DevOps & Hosting (9)
Popular Portals
- /elixir
- /rust
- /wasm
- /ruby
- /erlang
- /phoenix
- /keyboards
- /rails
- /js
- /python
- /security
- /go
- /swift
- /vim
- /clojure
- /java
- /emacs
- /haskell
- /onivim
- /svelte
- /typescript
- /crystal
- /c-plus-plus
- /kotlin
- /tailwind
- /gleam
- /react
- /elm
- /flutter
- /ocaml
- /vscode
- /ash
- /opensuse
- /centos
- /php
- /deepseek
- /html
- /scala
- /zig
- /sublime-text
- /debian
- /textmate
- /nixos
- /lisp
- /agda
- /react-native
- /kubuntu
- /arch-linux
- /revery
- /ubuntu
- /django
- /manjaro
- /spring
- /diversity
- /lua
- /nodejs
- /c
- /julia
- /slackware
- /markdown
Devtalk Sponsors
Practical resources that improve the lives of professional developers.
We build trusted fault-tolerant systems that scale to billions of users.
Real-time error tracking, performance insights, and observability for devs.
Develop your skills with books, videos, and courses.
Catch errors, track performance, monitor hosts and more.
Enabling companies to succeed by building software people love.
Courses that'll move you from confusion to "Aha, now I get it!"