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JavaScript

Posts tagged with JavaScript.

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Add WebMCP so ChatGPT can use your site without clicking around

What is WebMCP on a live page. Register one Site tool with document.modelContext so ChatGPT Work can use your site without clicking around the interface.

Build AlongMCPWeb DevJavaScriptAI CodingDeveloper ToolsAPI Design1 min read · Aug 29, 2026

Chrome inspect devices fails until USB debugging is on

chrome inspect devices stays empty until USB debugging is on. Tick Discover USB devices, plug a data cable, then click Inspect on the listed phone tab.

Build AlongDebuggingDeveloper ToolsWeb DevMobileJavaScriptWindows1 min read · Aug 25, 2026

Open Console Chrome with Ctrl Shift J not I

Open console chrome with Ctrl+Shift+J, not last panel. Land on a working prompt for this tab, skip Elements, and stop clicking the Console tab after F12.

Build AlongChromeDeveloper ToolsJavaScriptWeb DevDebuggingProductivity1 min read · Aug 25, 2026

React Dev Tools Firefox still hides the Components tab

Get react dev tools firefox showing Components and Profiler. Install the AMO add-on, open a React page, reload, then find the tabs in the Toolbox not Console.

Build AlongReactDeveloper ToolsDebuggingJavaScriptWeb DevOpen Source1 min read · Aug 25, 2026

This react rerender tool flashes the guilty component

A react rerender tool paints a purple outline on the guilty memoized child. Drop the script before React, click once, then leave that Profiler closed.

Build AlongReactJavaScriptDeveloper ToolsDebuggingPerformance1 min read · Aug 25, 2026

Kill the cookie banner (or stop pretending it protects anyone)

Cookie banners often launder consent for trackers you chose to load. Kill non-essential tracking first, or ship equal Reject when ads still need a device ID.

Strong OpinionsSecurityWeb DevDeveloper ToolsJavaScriptTrend Commentary1 min read · Jul 31, 2026

Why Astro, Cloudflare Workers, and Claude Code Fast Track Production

Astro Cloudflare Workers stack ships 90% less JavaScript, starts in under 5ms, and runs workerd in dev. The migration gotchas nobody covers, solved.

Strong OpinionsAstroCloudflareClaude CodeJavaScriptWeb DevPerformance1 min read · Jul 27, 2026

WebMCP Has 20× the Interest and Zero Deployments

WebMCP adoption is zero across 111,076 scanned domains while search interest holds near 20 times its January level. Here is what to ship now, and what to watch.

Meta AnalysisMCPWeb DevAPI DesignTrend CommentaryJavaScript1 min read · Jul 25, 2026

Stop Treating localStorage Like a Database (It Will Bite You in Production)

localStorage has a 5-10MB limit, throws QuotaExceededError silently, and vanishes in Safari private browsing. Here are the five ways it breaks in production and what to use instead.

Sharper ToolsJavaScriptWeb DevDebuggingPerformance1 min read · Apr 11, 2026