🛏 An HTML to Markdown converter written in JavaScript
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JavaScript/Node.js utility. Returns `true` if the value is a number or string number. Useful for checking regex match results, user input, parsed strings, etc.
- number
- is
- isnan
- javascript
Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.
- anti-bot
- behavioral-analysis
- bot-detection
- captcha
Returns an array with only the unique values from all given arrays using strict equality for comparisons.
- arr
- array
- difference
- diff
Return the last element in an array. Faster than `.slice`
- array
- last
- javascript
- nodejs
Return true if a value exists in an array. Faster than using indexOf and won't blow up on null values.
- javascript
- array
- nodejs