A JavaScript polyfill that adds HTML5 placeholder attribute support to older browsers.
Placeholders.js is a JavaScript polyfill that implements the HTML5 placeholder attribute for browsers that don't support it natively. It enables developers to use the standard `placeholder` attribute on input and textarea elements while providing consistent behavior across all browsers. The polyfill automatically detects native support and only activates when necessary.
Frontend developers and web designers who need to support older browsers (like IE6-9, Firefox 1-3, Opera 7-10) while using modern HTML5 form features.
Developers choose Placeholders.js because it provides reliable, lightweight placeholder functionality without requiring code changes—just include the polyfill and use standard HTML5 attributes. It follows progressive enhancement principles and has been tested across a wide range of legacy browsers.
A JavaScript polyfill for the HTML5 placeholder attribute
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Explicitly supports browsers like Internet Explorer 6-9 and Firefox 1-3, as listed in the README, ensuring placeholder functionality in outdated environments.
Automatically detects native support and only activates when needed, minimizing performance overhead for modern browsers, per the project philosophy.
Available through Bower, direct download, and as a Ruby on Rails gem, simplifying deployment across different project types.
Allows use of the standard HTML5 placeholder attribute on input and textarea elements, promoting code consistency with the specification.
The README lists support for very old browser versions (e.g., Firefox 1-3) and lacks mention of recent updates, suggesting the project may be abandoned or inactive.
It only implements the basic placeholder attribute without support for advanced features like CSS styling or integration with modern JavaScript frameworks.
Requires JavaScript to be enabled, which means it won't work in no-JS environments, though this is inherent to its polyfill nature.