HackerTube.dev

Using JSLint For Evil

ryantravistate · 14.8K views · 2011-01-20 · 2:45

Open on YouTube ↗

If playback is restricted in your region, try opening the original video. Use Mark watched to add it to your marked videos.

Overview

A three-minute clip in which Douglas Crockford explains why he allowed the JSLint reference implementation to be used for evil. It recounts the license clause and how corporate lawyers reacted.

On Hacker News

Linked in licensing threads as a short, funny story about the 'no evil' clause and IBM's request for an exception.

Recommended by 2 HN people across 2 months · HN mentions 2013–2023

Topics

Search by tags

What people said

SonOfLilit · 2017-07 · Recommendation

David Crockford puts a "don't use this for evil" clause in the license for all software he releases, creating some interesting situations: [VIDEO] (2:44 and worth it)

Read the original HN comment ↗
computer · 2013-10 · Recommendation

See this 3 minute presentation fragment about the "Do not use JSLint for Evil" license clause: [VIDEO]

Read the original HN comment ↗
btilly · 2023-11 · Criticism

When you know that history, IBM asking for an exemption to the JSLint license becomes less funny. Watch [VIDEO] (2 minutes) to hear the story from the developer's point of view. Then consider how many totalitarian states today are using IBM computers to track their population. The developer might not realize it, but IBM lawyers absolutely know that they can be fairly accused of using JSLint for evil.

Read the original HN comment ↗

Sources

Video by ryantravistate, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.

Selection checks
  • SaaS & AI candidates: Topic keywords do not match
  • Editor-approved picks: Editorial review is required

Rule matches identify candidates. They do not guarantee video quality or financial results.

About the library and its sources