A deprecated polyfill for CSS position: sticky with a safer position: fixed fallback.
Fixed-sticky is a deprecated JavaScript polyfill that implemented CSS `position: sticky` functionality in browsers without native support. It solved the problem of creating elements that stick to the viewport during scroll (like sticky headers) by providing a cross-browser compatible solution, integrating with `fixed-fixed` for a more robust fixed-position fallback.
Frontend developers and web designers who needed to implement sticky UI elements in projects requiring support for older browsers before native `position: sticky` was widely available.
Developers chose Fixed-sticky because it offered a straightforward polyfill that closely mimicked native sticky behavior, with a focus on safety through its integration with `fixed-fixed` to avoid common fixed-position pitfalls, though it is now deprecated due to improving browser support.
DEPRECATED: A position: sticky polyfill that works with filamentgroup/fixed-fixed for a safer position:fixed fallback.
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Accurately replicated CSS position: sticky behavior, including parent dimension awareness as demonstrated in the demo GIFs, ensuring elements stuck only within parent bounds.
Integrated with fixed-fixed to provide a reliable position: fixed fallback, reducing common layout issues like jumping or misalignment in older browsers.
Designed to enhance user experience in unsupported browsers while allowing native CSS in modern ones, aligning with best practices for backward compatibility.
Offered a minimal JavaScript polyfill without heavy dependencies, making it straightforward to integrate into existing projects for legacy support.
Officially deprecated with no updates, NPM warnings, and recommendations to use alternatives, making it risky for current projects due to potential security or compatibility issues.
Does not support sticky elements with parent overflow or with thead and tfoot elements, as admitted in the README, restricting its use in complex layouts.
Focused on polyfilling for older browsers like Internet Explorer that now have minimal market share, reducing its relevance in today's web development landscape.