PulseGatePost-LLM software, agents & workflows market (since 2022)
Coverage
169,177

Apps indexed

 

Freshness
31 min ago

Last update

 

Cadence
1,540/day

7-day average

Indexed today: 1,221

PulseGate

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OLOperator Lookup logo
Operator Lookup
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OLOperator Lookup logo

Operator Lookup

joshwcomeau.com·Developer Tools

Operator Lookup is a web-based tool that allows front-end developers to search for and learn about JavaScript operators. It provides concise explanations, syntax highlighting, and an interactive interface to help users quickly understand how different operators work. Ideal for developers seeking quick reference or clarification on JavaScript syntax.

Free
WebCloud-managed
O
Operator Lookup preview
Visit joshwcomeau.com↗

Overview

4 features

In the Developer Tools space, Operator Lookup takes a focused approach. Quickly finding explanations and usage details for JavaScript operators. It is built as a consumer product for front-end web developers. The product is available for free. It runs on the web.

Behind Operator Lookup is Josh W Comeau, and the product first shipped in 2022. PulseGate's similarity index finds few close equivalents — Operator Lookup occupies a relatively distinct niche. Key capabilities include operator search, syntax highlighting, and dark mode.

  • ✓Operator search
  • ✓Syntax highlighting
  • ✓Dark mode
  • ✓Interactive UI

Tags

javascript-referenceoperator-lookupsyntax-helper

Built with & integrations

Framework
nextjs
Hosting
vercel
Runs on
BrowserCloud-managed

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Privacy Policy✓ Terms of Service✓ Free tier
Legal
Privacy Policy →Terms of Service →

Recent events

Latest indexed changes and source events

  1. IndexedJun 30, 7:16 AM

    Javascript Operator Lookup discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Operator Lookup

What does Operator Lookup do?
Quickly finding explanations and usage details for JavaScript operators. It is catalogued under Developer Tools on PulseGate.
Who is Operator Lookup for?
Operator Lookup is a consumer product built for front-end web developers.
Is Operator Lookup free?
Yes — Operator Lookup is free to use.
What platforms does Operator Lookup run on?
Operator Lookup runs on the web.
Is Operator Lookup still maintained?
PulseGate's automated liveness checks currently classify Operator Lookup as active.
What are alternatives to Operator Lookup?
Similar tools tracked by PulseGate include Lookup, LocatorJS, and OperatorStack.LookupLocatorJSOperatorStack
Who makes Operator Lookup?
Operator Lookup is developed by Josh W Comeau.
When did Operator Lookup launch?
Operator Lookup first shipped in 2022.

At a glance

Platforms
Web
Languages
English
First seen
Aug 19, 2022
Activity
🟢 Active
Status
🟢 Active
Built for
front-end web developers
Model
B2C
Solves
Quickly finding explanations and usage details for JavaScript operators.

Developer

Josh W Comeau

PulseGate index

Confidence
High · 93
Indexed
Jun 30, 2026
Lifecycle
Alive
Activity
Active
First seen
Aug 2022
Last seen
2w ago
Freshness
Unknown
Identity audit (9)
Entity ID
cmr0bcsrf02t05qx356yxb33y
Slug
javascript-operator-lookup-joshwcomeau-com
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 30, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 13, 2026
Canonical URL
https://joshwcomeau.com/operator-lookup

Similar apps

Other apps tracked under the same category.

  • Lookup
    joinlookup.com
  • LocatorJS
    locatorjs.com
  • OperatorStack
    operatorstack.dev
  • Operator23
    operator23.com
  • JobOps
    jobops.app
  • JavaScript for Beginners
    google.com