Results for “jsx”

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.

htmx gives you access to AJAX, CSS transitions, WebSockets, and Server-Sent Events directly in HTML using attributes. It enables dynamic web UIs without writing JavaScript by letting any element issue HTTP requests and swap content into the DOM.

HTMX development guidelines for building dynamic web applications with minimal JavaScript using HTML attributes.

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like \"the xlsx in my downloads\") — and wants something done to it or produced from it. Also trigger for cleaning or restructuring messy tabular data files (malformed rows, misplaced headers, junk data) into proper spreadsheets. The deliverable must be a spreadsheet file. Do NOT trigger when the primary deliverable is a Word document, HTML report, standalone Python script, database pipeline, or Google Sheets API integration, even if tabular data is involved.

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like "the xlsx in my downloads") — and wants something done to it or produced from it. Also trigger for cleaning or restructuring messy tabular data files (malformed rows, misplaced headers, junk data) into proper spreadsheets. The deliverable must be a spreadsheet file. Do NOT trigger when the primary deliverable is a Word document, HTML report, standalone Python script, database pipeline, or Google Sheets API integration, even if tabular data is involved.

Use when building any val with a user interface — dashboards, web apps, landing pages, forms, admin tools, anything users see in a browser. Covers JSX/React conventions, Twind/Tailwind styling, React version pinning, the view-source link requirement, and what to avoid (template-string HTML, external assets).

Use this skill any time a spreadsheet file is the primary input or output. This means any task where the user wants to: open, read, edit, or fix an existing .xlsx, .xlsm, .csv, or .tsv file (e.g., adding columns, computing formulas, formatting, charting, cleaning messy data); create a new spreadsheet from scratch or from other data sources; or convert between tabular file formats. Trigger especially when the user references a spreadsheet file by name or path — even casually (like "the xlsx in my downloads") — and wants something done to it or produced from it. Also trigger for cleaning or restructuring messy tabular data files (malformed rows, misplaced headers, junk data) into proper spreadsheets. The deliverable must be a spreadsheet file. Do NOT trigger when the primary deliverable is a Word document, HTML report, standalone Python script, database pipeline, or Google Sheets API integration, even if tabular data is involved.

Use when writing or editing a React component. Covers preferred patterns for functional components, prop types, and styling.

Detect and exploit DOM-based XSS vulnerabilities by auditing JavaScript for tainted data flow from controllable sources to dangerous sinks, with payloads and bypass techniques for client-side testing.

You are an expert in SWC, the Rust-based JavaScript/TypeScript compiler. You help developers replace Babel and Terser with SWC for 20-70x faster compilation, minification, and bundling — used by Next.js, Vite, Parcel, and Deno as their default compiler, handling TypeScript stripping, JSX transformation, polyfill injection, and code minification at native speed.

Analyze a website page's UI for obvious oddities: the same information repeated multiple times (a phone number shown three times in the header, a '24/7' badge in two places, a bullet list restating the paragraph above it), duplicated or near-duplicate copy and sections, stray/orphaned text near CTAs, copy that doesn't match the business or section subject, placeholder text, overcrowded heroes, misaligned elements, and imagery that doesn't fit the business. Use this whenever the user asks to check, audit, review, sanity-check, QA, or 'look over' a web page, landing page, or UI — whether they give a live URL, a localhost/dev-server URL, a screenshot, or HTML/JSX/template files — even if they only say something casual like 'does this page look right?', 'find anything weird on this page', or 'anything off about my landing page?'.

Clones a live web page's exact look into clean, semantic Tailwind — same design, but the framework-generated selectors (css-1a2b3c, sc-bdfBwQ, jsx-hashes) are replaced with real Tailwind utility classes — then validates the rewrite against the original in a loop until it matches. Use whenever a user points at a live URL and wants the SAME design rebuilt in readable Tailwind classes, not a restyle — phrasings like "rebuild this page in Tailwind but keep the exact look", "convert this React app's styling to Tailwind classes", "clone this design into clean Tailwind", "same look, real Tailwind classes, not the hashed ones", or "de-obfuscate this page's classes into Tailwind". For a byte-exact clone that KEEPS the original ugly selectors, use page-cloner. For a redesign that changes the look, use page-redesigner. Requires Claude in Chrome for capturing the source page.