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 10

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

#showdev #cli #terminal #javascript

2 min read

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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

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

Want to connect with JSLab?

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