CommunityNews

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:

/js

Where Next?

Popular General Dev topics Top

First poster: bot
FUZIX FUZIX is a fusion of various elements from the assorted UZI forks and branches beaten together into some kind of semi-coherent pla...
New
First poster: dyowee
Everyone seems to be striving for ‘clean’ code at the moment. You can’t read a blog post without the author telling you how clean their a...
New
First poster: mindriot
LG 28-inch 16:18 DualUp Monitor with Ergo Stand and USB Type-C™ (28MQ780-B) | LG USA. Shop LG 28MQ780-B on the official LG.com website ...
New
First poster: bot
GitHub - lucidrains/PaLM-rlhf-pytorch: Implementation of RLHF (Reinforcement Learning with Human Feedback) on top of the PaLM architectur...
New
First poster: bot
Apple’s Tim Cook to take 50% pay hit after shareholder feedback. ‘Target compensation’ for CEO down from $99.4m in 2022 to an expected $...
New
First poster: Korbin73
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
First poster: bot
Hector Martin (@marcan@treehouse.systems). Attached: 1 image For those wondering why the hell we need all this safety system stuff for...
New
CommunityNews
9 fintech engineering mistakes. Read this list unless you want to build a money dissappearing system
New
First poster: AstonJ
Jan | Rethink the Computer. Jan turns your computer into an AI machine by running LLMs locally on your computer. It’s a privacy-focus, l...
New
First poster: AstonJ
On the benefits of learning in public. Learning in public helps me grow as an engineer and seems to benefit others too. Here’s why I sho...
New

Other popular topics Top

dasdom
No chair. I have a standing desk. This post was split into a dedicated thread from our thread about chairs :slight_smile:
New
mafinar
This is going to be a long an frequently posted thread. While talking to a friend of mine who has taken data structure and algorithm cou...
New
PragmaticBookshelf
Rails 7 completely redefines what it means to produce fantastic user experiences and provides a way to achieve all the benefits of single...
New
New
PragmaticBookshelf
Author Spotlight: VM Brasseur @vmbrasseur We have a treat for you today! We turn the spotlight onto Open Source as we sit down with V...
New
CommunityNews
A Brief Review of the Minisforum V3 AMD Tablet. Update: I have created an awesome-minisforum-v3 GitHub repository to list information fo...
New
sir.laksmana_wenk
I’m able to do the “artistic” part of game-development; character designing/modeling, music, environment modeling, etc. However, I don’t...
New
AstonJ
If you’re getting errors like this: psql: error: connection to server on socket “/tmp/.s.PGSQL.5432” failed: No such file or directory ...
New
PragmaticBookshelf
Explore the power of Ash Framework by modeling and building the domain for a real-world web application. Rebecca Le @sevenseacat and ...
New
AstonJ
This is a very quick guide, you just need to: Download LM Studio: https://lmstudio.ai/ Click on search Type DeepSeek, then select the o...
New