Find and fix JavaScript memory leaks that accumulate as people use a web app. Review event listeners, timers, retained page elements, and outdated asynchronous tasks, then explain how to verify cleanup in the browser.
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Use when reviewing scripts, client components, bundles, or runtime behavior related to Prevent common memory leak patterns. Inspect both source code and the browser execution path so fixes target the real bottleneck or bug.
설치하기 전에 에이전트에게 전달되는 지시 내용을 확인할 수 있습니다.
Memory leaks cause applications to consume increasing amounts of memory over time, eventually slowing the browser tab or crashing it. In single-page applications, where users don't reload the page, small leaks in components accumulate with each navigation and can make an app unusable after 30 minutes of use.
Analyze this code for memory leak patterns: uncleaned event listeners, retained DOM references after removal, closures holding large objects, and uncleared timers. Also flag fetches and async tasks that continue after the owning component or view is gone.
Fix the memory leaks in this code by cleaning up event listeners, clearing timers, canceling stale async requests, and releasing DOM references when they're no longer needed.
Explain the four most common JavaScript memory leak patterns and how to detect them with Chrome DevTools.
Review scripts, client components, and browser execution paths related to Prevent common memory leak patterns. Flag exact imports, event handlers, runtime side effects, or blocking operations that violate the rule, and state how the change should be verified in the browser.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/javascript/memory-leaks
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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.
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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.
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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.
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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.
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