Placeholders.js
A JavaScript polyfill that adds HTML5 placeholder attribute support to older browsers.
What is Placeholders.js?
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.
Overview
A JavaScript polyfill for the HTML5 placeholder attribute
Use Cases
Best For
- Adding placeholder text to forms in Internet Explorer 6-9
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