JSLab

JSLab is a fast, native JS & TS scratchpad for Apple Silicon Macs. Every result is traced to its line. Logpoints log a line without editing it. Launching Nov 15.

Joined on Oct 21, 2026 https://js-lab.app

JSLab

Nov 13

A week of JavaScript tips, collected

#javascript #typescript #beginners #webdev

2 min read

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JSLab

Nov 13

Ask AI with Ollama, fully local

#showdev #ai #ollama #privacy

2 min read

JSLab

Nov 13

Building a scratchpad on Bun: 7 things that differ from Node

#bunjs #javascript #node #typescript

3 min read

JSLab

Nov 12

Multi-cursor moves that replace a regex

#productivity #javascript #vscode #beginners

2 min read

JSLab

Nov 12

Tabs, files and session restore

#showdev #productivity #macos #javascript

2 min read

JSLab

Nov 11

Prettier on demand, on run, on save

#showdev #prettier #javascript #typescript

2 min read

JSLab

Nov 10

What your TypeScript becomes when it runs

#typescript #javascript #node #webdev

2 min read

JSLab

Nov 10

Prototype an API call before you write the client

#javascript #typescript #api #bunjs

2 min read

JSLab

Nov 10

The jslab CLI: open files and pipe code into a tab

#showdev #cli #terminal #javascript

2 min read

JSLab

Nov 9

Snippets (Cmd+B) and the command palette

#showdev #productivity #javascript #macos

2 min read

JSLab

Nov 8

Quick data munging: group, sum and bucket a CSV

#javascript #typescript #data #beginners

2 min read

JSLab

Nov 8

Working directory and environment variables

#showdev #javascript #bunjs #productivity

2 min read

JSLab

Nov 7

Canvas sketches with no build step

#javascript #canvas #creativecoding #webdev

3 min read

JSLab

Nov 7

Stop, Kill and loop protection

#showdev #javascript #debugging #macos

2 min read

JSLab

Nov 6

Why a scratchpad should run your code in a separate process

#javascript #bunjs #node #architecture

3 min read

JSLab

Nov 6

npm packages, types, and the quick-fix install

#showdev #npm #javascript #typescript

2 min read

JSLab

Nov 5

Themes, and importing your VS Code theme

#showdev #vscode #macos #productivity

2 min read

JSLab

Nov 5

Reading a stack trace that points at your own line

#javascript #typescript #debugging #beginners

3 min read

JSLab

Nov 4

Settings and the Keybindings editor

#showdev #productivity #macos #javascript

2 min read

JSLab

Nov 4

TypeScript types you can see running

#typescript #javascript #beginners #webdev

3 min read

JSLab

Nov 3

The same snippet in Bun and in a browser

#javascript #bunjs #webdev #typescript

3 min read

JSLab

Nov 3

Ask AI providers, and where your key lives

#showdev #ai #ollama #macos

2 min read

JSLab

Nov 2

Refactor with a local model, and review it as a diff

#javascript #ai #refactoring #ollama

3 min read

JSLab

Nov 2

Line-anchored output and the filter chips

#showdev #javascript #typescript #productivity

2 min read

JSLab

Nov 1

Log inside a loop without touching the code

#javascript #typescript #debugging #productivity

3 min read

JSLab

Nov 1

Try a React component without creating a project

#react #javascript #typescript #webdev

3 min read

JSLab

Oct 31

npm in a scratchpad: install without leaving JSLab

#showdev #javascript #typescript #macos

1 min read

JSLab

Oct 30

AI Chat in JSLab: ask about your tab, review the fix as a diff

#showdev #javascript #typescript #macos

1 min read

JSLab

Oct 30

Inspect any value without console.log

#javascript #typescript #debugging #beginners

3 min read

JSLab

Oct 30

30 seconds of JSLab: every result beside the line that made it

#showdev #javascript #typescript #macos

1 min read

JSLab

Oct 30

One editor, three runtimes: Bun, Browser, and the one in between

#javascript #typescript #webdev #react

4 min read

JSLab

Oct 21

Every value should know where it came from

#javascript #typescript #webdev #productivity

4 min read

DEV Community

JSLab

Badges

Writing Debut

A week of JavaScript tips, collected

Want to connect with JSLab?

Ask AI with Ollama, fully local

Building a scratchpad on Bun: 7 things that differ from Node

Multi-cursor moves that replace a regex

Tabs, files and session restore

Prettier on demand, on run, on save

What your TypeScript becomes when it runs

Prototype an API call before you write the client

The jslab CLI: open files and pipe code into a tab

Snippets (Cmd+B) and the command palette

Quick data munging: group, sum and bucket a CSV

Working directory and environment variables

Canvas sketches with no build step

Stop, Kill and loop protection

Why a scratchpad should run your code in a separate process

npm packages, types, and the quick-fix install

Themes, and importing your VS Code theme

Reading a stack trace that points at your own line

Settings and the Keybindings editor

TypeScript types you can see running

The same snippet in Bun and in a browser

Ask AI providers, and where your key lives

Refactor with a local model, and review it as a diff

Line-anchored output and the filter chips

Log inside a loop without touching the code

Try a React component without creating a project

npm in a scratchpad: install without leaving JSLab

AI Chat in JSLab: ask about your tab, review the fix as a diff

Inspect any value without console.log

30 seconds of JSLab: every result beside the line that made it

One editor, three runtimes: Bun, Browser, and the one in between

Every value should know where it came from