Reverse UTF-16 string
npm install reverse-utf16-stringOptimized UTF-16 compatible reverse-string algorithm.
It only needs to traverse 1/2 of the given string, and
takes care of UTF-16 surrogate pairs.
``javascript
var reverse = require('reverse-utf16-string');
var reversed = reverse('ab𝌄cd'); // 'dc𝌄ba'
``