Lea Verou • 7/2/2011

A polyfill for HTML5 progress element, the obsessive perfectionist way

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This article details the process of building a polyfill for the HTML5 `<progress>` element, focusing on overcoming technical hurdles like controlling pseudo-element widths without extra DOM nodes and ensuring dynamic updates when properties change via script. It explores CSS and JavaScript challenges to replicate native element behavior for browsers lacking support.

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#JavaScript #css #polyfill
A polyfill for HTML5 progress element, the obsessive perfectionist way

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