Twemoji

twemoji.parse('I \u2764\uFE0F emoji!');

// will produce
/*
I <img
  class="emoji"
  draggable="false"
  alt="❤️"
  src="https://twemoji.maxcdn.com/36x36/2764.png"> emoji!
*/

Nugget of JavaScript to replace astral symbols (emoji) with images in browsers that don’t support them. Yes, looking at you Chrome on OS X. Images are included in the repo, or can be loaded from a CDN.

Twitter Emoji for Everyone →