Review JavaScript that changes a parent element’s appearance based on its children. Find opportunities to replace class toggling with CSS :has() rules, and explain how those rules express conditions involving child elements.
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Use when reviewing stylesheets or components that use JavaScript to toggle classes on parent elements based on child state, form input values, or content presence — :has() may replace the JavaScript entirely.
설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Before :has(), styling a parent based on its children required JavaScript: detecting state, toggling classes, and keeping DOM and styles in sync. This created coupling between styling logic and application logic. :has() moves that relationship back into CSS where it belongs, reducing JavaScript complexity, eliminating class-toggling boilerplate, and making styling intent readable in the stylesheet itself.
Look for patterns in this code where JavaScript toggles a class on a parent element based on the state or content of a child element. These are candidates for replacement with :has().
Replace the JavaScript class-toggling logic with a CSS :has() selector. Show the selector that targets the parent element when the relevant child condition is met.
Explain how the :has() pseudo-class works, how it differs from :is() and :not(), what descendant vs child combinators mean inside :has(), and how browser support stands today.
Review the stylesheets and component JavaScript in this file. Flag any locations where a parent element's style is controlled by toggling a class from JavaScript based on child state — and show the equivalent :has() rule.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/css/has-selector
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Create and review custom 404 pages that help visitors recover from broken or moved links through search and navigation. Check the rendered page and HTTP response so missing content returns a proper 404 status.
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Audit or create a dedicated About page that explains a website’s purpose and identifies its people or organization. Review the rendered output and supporting information, including expertise and contact details, to find gaps.
한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.
Review and add automated accessibility checks for components, pages, and continuous integration workflows. Use axe-based tools to detect structural and attribute issues, while identifying checks that still need keyboard or screen reader testing.
한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.
Review sign-in, registration, multi-factor authentication, and account recovery for accessibility barriers. Find blocked paste, difficult code entry, and inaccessible backup methods, then suggest authentication paths that support password managers, autofill, or device approval.
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Review form errors, success messages, and live updates so screen reader users receive important notifications. Check the HTML delivered to the browser, announcement settings, display duration, and dismissal controls, then identify specific elements that need changes.
한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.
Review HTML tables so screen reader users can understand how headers and data relate. Check header markup, table descriptions, and merged cells, then identify specific fixes and ways to verify them.
한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.