TILens Daily Edition
2026-10-17
Filters: topic=javascript, github=hidden

Stats: 49 articles, 2 sources
Top topics: JavaScript, AI, React

## News

- Stop Using Random Card Numbers in Your Checkout Tests (Use These Instead)
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/mondaytool/stop-using-random-card-numbers-in-your-checkout-tests-use-these-instead-3o0e

- Stack, Heap e memória: por que isso ainda importa para quem programa em JavaScript?
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/lucasharosa/stack-heap-e-memoria-por-que-isso-ainda-importa-para-quem-programa-em-javascript-h30

- Package Drift Weekly — 2026-10-17
  Source: devto-javascript
  Topic: JavaScript (+AI)
  URL: https://dev.to/pkgdrift/package-drift-weekly-2026-10-17-39ga

- Build a Keyboard-Driven Test Grader in Plain JavaScript
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/quickgradecalc/build-a-keyboard-driven-test-grader-in-plain-javascript-26ab

- LLM JSON output: one setting dropped valid JSON from 75% to 4%
  Source: devto-javascript
  Topic: JavaScript (+AI)
  URL: https://dev.to/mattbusel/llm-json-output-one-setting-dropped-valid-json-from-75-to-4-1o12

- Type-Safe Web Scraping for AI Agents: Integrating Firecrawl into a TypeScript Monorepo
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/ryan_gallagher/type-safe-web-scraping-for-ai-agents-integrating-firecrawl-into-a-typescript-monorepo-17lg

- Is anyone still reading that thread? Check the author's last reply with 3 free APIs
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/kevan3010/is-anyone-still-reading-that-thread-check-the-authors-last-reply-with-3-free-apis-44i5

- Telegram Offered Free Hosting. I Tested It Against Two VPSs.
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/jabrailkhalil/telegram-serverless-vs-two-vpss-what-the-benchmarks-actually-show-44p8

- We fetched 104 AI-built sites the way GPTBot does. 61% were empty.
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/georgi_kalchev_85d01f7368/we-fetched-104-ai-built-sites-the-way-gptbot-does-61-were-empty-2om0

- Bulletproof FinTech: Building Type-Safe Stripe and Adyen Payment Gateways in TypeScript
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/programmingcentral/bulletproof-fintech-building-type-safe-stripe-and-adyen-payment-gateways-in-typescript-4433

- Turning a 3D configurator into a real quote - price and lead time, not just a pretty model
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/gronskideveloper/turning-a-3d-configurator-into-a-real-quote-price-and-lead-time-not-just-a-pretty-model-3pe0

- Pricing Rollout Build Log: Correlated Frontend and Backend Browser Fetch Logging
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/peterparker8991/pricing-rollout-build-log-correlated-frontend-and-backend-browser-fetch-logging-4fcl

- Record Your Own Sound Button in the Browser: MediaRecorder, Silence Trimming and a Tiny WAV Encoder
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/abidali671/record-your-own-sound-button-in-the-browser-mediarecorder-silence-trimming-and-a-tiny-wav-encoder-33kb

- I added page numbers without uploading the PDF. The page still isn't quiet.
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/felixilands/i-added-page-numbers-without-uploading-the-pdf-the-page-still-isnt-quiet-55fn

- How to encrypt user data in the browser with the Web Crypto API
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/_aniruddha_d/how-to-encrypt-user-data-in-the-browser-with-the-web-crypto-api-47m5

- How to Convert JSON to TypeScript Interfaces
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/thattoolsite/how-to-convert-json-to-typescript-interfaces-5d1i

- google-trends-api dailyTrends returning 404? Get Google's trending searches from Node.js or Python
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/hiver/google-trends-api-dailytrends-returning-404-get-googles-trending-searches-from-nodejs-or-python-1hic

- I built a portfolio where you race my times in 4 daily puzzles
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/aedit/i-built-a-portfolio-where-you-race-my-times-in-4-daily-puzzles-3il5

- Build a Grok Voice 3.0 Voice Agent in Node.js: Mic In, Speaker Out, Live Transcripts
  Source: devto-javascript
  Topic: JavaScript (+AI)
  URL: https://dev.to/super_lewis/build-a-grok-voice-30-voice-agent-in-nodejs-mic-in-speaker-out-live-transcripts-5al6

- 17 Best Websites to Buy iCloud Email Accounts in 2026
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/smmgetit54/17-best-websites-to-buy-icloud-email-accounts-in-2026-4o0b

- Merging PDFs in the browser: no server, no upload
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/toolvero/merging-pdfs-in-the-browser-no-server-no-upload-306a

- The Equalizer That Actually Listens: A Web Audio Analyser Deep-Dive
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/bryanhamiltondev/the-equalizer-that-actually-listens-a-web-audio-analyser-deep-dive-b3

- Trustusazone | Explore Helpful Insights and Fresh Ideas
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/roberto_carlson_bae1ae475/trustusazone-explore-helpful-insights-and-fresh-ideas-1llh

- GroundTruth OSINT UI update: free live global monitoring — 170 feeds, 3D globe, daily brief, no signup
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/osintwatchapp/i-rebuilt-my-free-osint-dashboard-170-feeds-3d-globe-daily-email-brief-no-signup-kb5

- The leaderboard move in our product demo is a swap between two frozen arrays, and its 20 second timer lasts 10
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/daniel_pertu/the-leaderboard-move-in-our-product-demo-is-a-swap-between-two-frozen-arrays-and-its-20-second-c2g

- The letters "ca" appear twice in a locale tag and mean Canada neither time
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/daniel_pertu/the-letters-ca-appear-twice-in-a-locale-tag-and-mean-canada-neither-time-29nk

- Build an Accounts Receivable Turnover and DSO Calculator in JavaScript (Plus the Quarterly-Data Bug)
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/alan-matthew/build-an-accounts-receivable-turnover-and-dso-calculator-in-javascript-plus-the-quarterly-data-bug-4jp4

- Cross-Tab and Cross-Browser Communication
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/zeeshanali0704/cross-tab-and-cross-browser-communication-2b99

- A 33-hour Office.js rollout that changed four bytes
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/r0men_/a-33-hour-officejs-rollout-that-changed-four-bytes-3001

- JSON Formatter vs Validator: What's the Difference?
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/tinali7564eng/json-formatter-vs-validator-whats-the-difference-8mf

- Nine include globs, thirty-three excludes, and twenty-five of them name a pnpm store path
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/daniel_pertu/nine-include-globs-thirty-three-excludes-and-twenty-five-of-them-name-a-pnpm-store-path-3275

- How to Preview HTML Code Online Safely: Sandboxed iframes Explained
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/avinashkori/how-to-preview-html-code-online-safely-sandboxed-iframes-explained-651

- Build a GPA Calculator in JavaScript (and Avoid the Floating-Point Bugs Everyone Hits)
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/alan-matthew/build-a-gpa-calculator-in-javascript-and-avoid-the-floating-point-bugs-everyone-hits-2c31

- Tablespeak: a menu translator that spells every dish the way the restaurant does
  Source: devto-javascript
  Topic: JavaScript (+AI)
  URL: https://dev.to/jainil26/tablespeak-a-menu-translator-that-spells-every-dish-the-way-the-restaurant-does-1c9m

- Core Web Vitals Explained: How to Fix LCP, CLS and INP in Your App
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/synfinity-dynamics-pvt-ltd/core-web-vitals-explained-how-to-fix-lcp-cls-and-inp-in-your-app-cpc

- I Built a Chess Tool That Turns My Lost Games Into Personalized Puzzles
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/peaceful_hours_bf2345026c/i-built-a-chess-tool-that-turns-my-lost-games-into-personalized-puzzles-5dcl

- Top 16 Reliable Websites for Buying Gmail Accounts
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/smmusapva12224/top-16-reliable-websites-for-buying-gmail-accounts-hin

- Search engines saw 4 syllables. The page had 199. Here's the bug.
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/superfire/search-engines-saw-4-syllables-the-page-had-199-heres-the-bug-59a4

- I built a photo and video editor that shows the maths behind every effect
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/boya16573design/i-built-a-photo-and-video-editor-that-shows-the-maths-behind-every-effect-1lfi

- Next.js Marketplace Errors: JavaScript Minified Traces, Source Maps, and Rollback Signals
  Source: devto-javascript
  Topic: JavaScript (+React)
  URL: https://dev.to/solomonfletcher5872/nextjs-marketplace-errors-javascript-minified-traces-source-maps-and-rollback-signals-29pj

- One env var between localhost and production: how VITE_API_URL keeps my axios client deploy-proof
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/kamrankhandev/one-env-var-between-localhost-and-production-how-viteapiurl-keeps-my-axios-client-deploy-proof-cia

- How I built a live halftone portrait in React with just Canvas 2D
  Source: devto-javascript
  Topic: JavaScript (+React)
  URL: https://dev.to/suraj_nandan_dcd78e7ec898/how-i-built-a-live-halftone-portrait-in-react-with-just-canvas-2d-5ejg

- i wrote a cookie policy for a product that sets no cookies
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/omyvnss/i-wrote-a-cookie-policy-for-a-product-that-sets-no-cookies-2bin

- 🚀 5 Clean Code Habits That Will Make You a Better Developer in 2026
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/chamod_madhushan/5-clean-code-habits-that-will-make-you-a-better-developer-in-2026-29jf

- [Boost]
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/murraylr/-58d5

- eval() in a straitjacket: running user JavaScript under a strict CSP
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/murraylr/eval-in-a-straitjacket-running-user-javascript-under-a-strict-csp-3dhp

- 17/10
  Source: devto-javascript
  Topic: JavaScript
  URL: https://dev.to/learner666/1710-9pp

- Compare building a modern React CRUD application with REST versus GraphQL. Understand query shapes, state mutations, and implementation patterns
  Source: devto-javascript
  Topic: JavaScript (+React)
  URL: https://dev.to/nileslabs/compare-building-a-modern-react-crud-application-with-rest-versus-graphql-understand-query-shapes-omo

## Community

- What's New in React 19.3 and How It Changes UI Development
  Source: hacker-news
  Topic: General (+JavaScript, React)
  URL: https://jsdev.space/react-19-3/