js-emojiJavaScript 的 Emoji 转换库
js-emoji 可以让你在浏览器上显示 Emoji 表情，使用方法：
<link href="emoji.css" rel="stylesheet" type="text/css" />
<script src="emoji.js" type="text/javascript"></script>
<script type="text/javascript">
// replaces \u{1F604} with platform appropriate content
var output1 = emoji.replace_unified(input);
// replaces 😄 with platform appropriate content
var output2 = emoji.replace_colons(input);
// force text output mode
emoji.text_mode = true;
// show the short-name as a `title` attribute for css/img emoji
emoji.include_title = true;
// change the path to your emoji images (requires trailing slash)
// you can grab the images from here:
// https://github.com/github/gemoji/tree/master/images/emoji/unicode
emoji.img_path = "http://my-cdn.com/images/emoji/";
// find out the auto-detected mode
alert(emoji.replace_mode);
</script>
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