placeholder-shown-polyfill

Polyfill for pseudo selector :placeholder-shown

SPEC: https://drafts.csswg.org/selectors-4/#placeholder

Reference: https://codepen.io/wesbos/pen/KggoOo

Usage:

intallation: npm install placeholder-shown-polyfill

HTML:

CSS:

input { border: 5px solid red; outline: 0; font-size: 20px; padding: 20px; margin: 50px; }

input:placeholder-shown, input.placeholder-shown { border-color: green; }